P. Sipponen

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THE DISTRIBUTION OF LYSOZYME IN HUMAN GASTRIC MUCOSA IN INFLAMMATORY AND NEOPLASTIC DISORDERS

M. Klockars, S. Reitamo, J. Reitamo, 1979 .

Sialylated Lewis determinant CA 19-9 in benign and malignant gastric tissue.

P. Sipponen, J. Lindgren, 2009, Acta pathologica, microbiologica, et immunologica Scandinavica. Section A, Pathology.

The Vienna classification of gastrointestinal epithelial neoplasia

M F Dixon, S. Dawsey, A. Iwashita, 2000, Gut.

Evaluation of Pyloriset Screen, a Rapid Whole-Blood Diagnostic Test for Helicobacter pylori Infection

H. Rautelin, L. Veijola, P. Sipponen, 1998, Journal of Clinical Microbiology.

Serologic Diagnosis of Helicobacter pylori Infection in Outpatients Aged 45 Years or Less

H. Rautelin, S. Sarna, P. Sipponen, 2001, European Journal of Clinical Microbiology and Infectious Diseases.

Beneficial effect of resin salve in treatment of severe pressure ulcers: a prospective, randomized and controlled multicentre trial

J. Jokinen, P. Sipponen, A. Sipponen, 2008, The British journal of dermatology.

Report of an Amsterdam Working Group on Barrett Esophagus

M. Vieth, F. Bosman, H. Watanabe, 2003, Virchows Archiv.

No Support for Endoscopic Surveillance for Gastric Cancer in Hereditary Non-Polyposis Colorectal Cancer

L. Aaltonen, J. Mecklin, H. Järvinen, 2002, Scandinavian journal of gastroenterology.

Helicobacter pylori Eradication Has the Potential to Prevent Gastric Cancer: A State-of-the-Art Critique

P. Malfertheiner, F. Mégraud, P. Moayyedi, 2005, The American Journal of Gastroenterology.

Inflammation and intestinal metaplasia at the squamocolumnar junction in young patients with or without Helicobacter pylori infection

H. Rautelin, P. Sipponen, A. Oksanen, 2003, Gut.

Impact of Helicobacter pylori eradication on heartburn in patients with gastric or duodenal ulcer disease — results from a randomized trial programme

P. Malfertheiner, J. Dent, C. Burman, 2002, Alimentary pharmacology & therapeutics.

Chronic Gastritis in Former Times and Now

P. Sipponen, 2007, Helicobacter.

Serum Gastric Biomarker Levels After Sleeve Gastrectomy and Roux-en-Y Gastric Bypass Operations: A Prospective Study with 1-year Follow-up

Ž. Riispere, T. Sillakivi, P. Sipponen, 2019, Surgery, Gastroenterology and Oncology.

Development of Barrett's Esophagus after ‘Spontaneous’ Healing of Atrophic Corpus Gastritis

M. Karjalainen‐Lindsberg, A. Kokkola, H. Rautelin, 2003, Helicobacter.

Inflammation and cytokeratin 7/20 staining of cardiac mucosa in young patients with and without Helicobacter pylori infection

A. Sankila, K. von Boguslawski, H. Rautelin, 2005, Journal of Clinical Pathology.

Positive serum antibody and negative tissue staining for Helicobacter pylori in subjects with atrophic body gastritis.

W. Karnes, P. Sipponen, William E. Karnes, 1991, Gastroenterology.

Low circulating levels of gastrin-17 in patients with Barrett's esophagus.

P. Sipponen, M. Vauhkonen, T. Helske, 2005, World journal of gastroenterology.

Evaluation of a Commercial Immunoblot, Helicoblot 2.1, for Diagnosis of Helicobacter pylori Infection

H. Rautelin, L. Veijola, P. Sipponen, 2008, Clinical and Vaccine Immunology.

Differences in diagnostic criteria for esophageal squamous cell carcinoma between Japanese and Western pathologists

S. Dawsey, A. Iwashita, M. Stolte, 2000, Cancer.

Gastroduodenal polyps in familial adenomatous and juvenile polyposis.

H. Järvinen, P. Sipponen, 1986, Endoscopy.

Gastric cancer--a long-term consequence of Helicobacter pylori infection?

P. Sipponen, 1994, Scandinavian journal of gastroenterology. Supplement.

Gastroscopic follow up of pernicious anaemia patients.

H. Järvinen, P. Sipponen, S. Sjöblom, 1993, Gut.

Incidence of gastric cancer and prevalence of chronic gastritis in outpatients: comparison between two geographical areas in Finland.

P. Sipponen, T. Kahlos, 1995, Annals of medicine.

Long-term consequences of H. pylori infection: time trends in H. pylori gastritis, gastric cancer and peptic ulcer disease

P. Sipponen, K. Seppälä, 1994 .

Gastric carcinoma: failed adaptation to Helicobacter pylori.

P. Sipponen, K. Seppälä, Pentti Sipponen, 1992, Scandinavian journal of gastroenterology. Supplement.

Decreased incidences of intestinal and diffuse types of gastric carcinoma in Finland during a 20-year period.

P. Sipponen, M. Kekki, O. Järvi, 1987, Scandinavian journal of gastroenterology.

Helicobacter pylori, N-methyl-N′-nitro-N′-nitrosoguanidine, and bile modulate gastric cell kinetics in experimental cancer

L. Domellöf, P. Sipponen, L. Franzén, 2001, Virchows Archiv.

Gastric cancer: pathogenesis, risks, and prevention

P. Sipponen, 2000, Journal of Gastroenterology.

Helicobacter pylori gastritis—Epidemiology

P. Sipponen, 1997, Journal of Gastroenterology.

gastritis in gastric cancer . Helicobacter pylori infection and chronic

P. Sipponen, T. Kosunen, J. Valle, 2004 .

Helicobacter pylori infection and chronic gastritis in gastric cancer.

P. Sipponen, T. Kosunen, M. Riihelä, 1992, Journal of clinical pathology.

Superficial Esophageal Squamous Cell Carcinoma: Differences in Diagnostic Criteria Between Western and Japanese Pathologists

S. Dawsey, M. Stolte, M. Koike, 1999 .

Rate of Helicobacter pylori Acquisition among Finnish Adults A 15-Year Follow-up

O. Heinonen, P. Sipponen, T. Kosunen, 1996 .

Comparison of a new tumour marker, CA 199TM, with a-fetoprotein and carcinoembryonic antigen in patients with upper gastrointestinal diseases

C. Haglund, O. Mäkelä, P. Roberts, 2004 .

Delayed rise in incidence of gastric cancer in females results in unique sex ratio (M/F) pattern: etiologic hypothesis

P. Sipponen, P. Correa, 2002, Gastric Cancer.

Atrophic gastritis as a premalignant condition.

P. Sipponen, 1989, Annals medicus.

Chronic gastritis: dynamic and clinical aspects.

P. Sipponen, M. Kekki, M. Siurala, 1985, Scandinavian journal of gastroenterology. Supplement.

Expression of cyclooxygenase-2 in dysplasia of the stomach and in intestinal-type gastric adenocarcinoma.

A. Ristimäki, J. Mecklin, M. Härkönen, 2001, Clinical cancer research : an official journal of the American Association for Cancer Research.

Morphometric assessment of gastric antral atrophy: comparison with visual evaluation

M. Rugge, H. Watanabe, T. Hattori, 2001, Histopathology.

Gastric changes in coronary-operated patients with low-dose aspirin.

E. Kivilaakso, P. Sipponen, M. Leivonen, 1992, Scandinavian journal of gastroenterology.

Does the eradication of Helicobacter pylori delay the diagnosis of gastric cancer?

A. Kokkola, P. Puolakkainen, P. Sipponen, 2008, Scandinavian journal of gastroenterology.

Importance of atrophic gastritis in diagnostics and prevention of gastric cancer: Application of plasma biomarkers

D. Graham, P. Sipponen, 2007, Scandinavian journal of gastroenterology.

Persisting Chronic Gastritis and Elevated Helicobacter pylori Antibodies after Successful Eradication Therapy

H. Rautelin, L. Veijola, P. Sipponen, 2007, Helicobacter.

Helicobacter pylori Eradication for the Prevention of Gastric Cancer

E. Kuipers, P. Sipponen, 2006, Helicobacter.

Intestinal metaplasia, atrophic gastritis and stomach cancer: trends over time.

P. Sipponen, K. Kimura, 1994, European journal of gastroenterology & hepatology.

Role of Helicobacter pylori in the pathogenesis of gastritis, peptic ulcer and gastric cancer.

P. Sipponen, H. Hyvärinen, H. Hyvarinen, 1993, Scandinavian journal of gastroenterology. Supplement.

Pathophysiological effects of long-term acid suppression in man

R. Riddell, P. Sipponen, A. Walan, 1995, Digestive Diseases and Sciences.

Helicobacter pylori Infection - A Common Worldwide Environmental Risk Factor for Gastric Cancer?

P. Sipponen, 1992, Endoscopy.

Prevalence of Helicobacter pylori infection and chronic dyspeptic symptoms among immigrants from developing countries and people born in industrialized countries.

A. Blum, E. Verdu, P. Sipponen, 1996, Digestion.

The effect of Helicobacter pylori eradication on the natural course of atrophic gastritis with dysplasia

A. Kokkola, H. Rautelin, P. Puolakkainen, 2002, Alimentary pharmacology & therapeutics.

Pathogenesis of the transformation from gastritis to malignancy

M. Blaser, P. Sipponen, H. Hyvärinen, 1998, Alimentary pharmacology & therapeutics.

Peptic ulcer and chronic gastritis: their relation to age and sex, and to location of ulcer and gastritis.

P. Sipponen, M. Kekki, M. Siurala, 1990, Gastroenterologie clinique et biologique.

Gastroesophageal Reflux Disease: Prevalence, Clinical, Endoscopic and Histopathological Findings in 1,128 Consecutive Patients Referred for Endoscopy due to Dyspeptic and Reflux Symptoms

J. Mecklin, M. Färkkilä, P. Sipponen, 2000, Digestion.

Classical Barrett Esophagus Contrasted with Barrett-Type Epithelium at Normal-Appearing Esophagogastric Junction: Comparison of Demographic, Endoscopic, and Histologic Features

J. Mecklin, M. Färkkilä, P. Sipponen, 2000 .

Chronic inflammation at the gastroesophageal junction (carditis) appears to be a specific finding related to Helicobacter pylori infection and gastroesophageal reflux disease

J. Mecklin, M. Färkkilä, P. Sipponen, 1999, American Journal of Gastroenterology.

Complete and incomplete intestinal metaplasia at the oesophagogastric junction: prevalences and associations with endoscopic erosive oesophagitis and gastritis

J. Mecklin, M. Färkkilä, P. Sipponen, 1999, Gut.

Specialized columnar epithelium of the esophagogastric junction: prevalence and associations

I. Kunnamo, J. Mecklin, M. Färkkilä, 1999, American Journal of Gastroenterology.

Atrophic Gastritis Serum Levels of Amidated Gastrin-17 and Pepsinogen I in Atrophic Gastritis: An Observational Case-Control Study

P. Sipponen, P. Ranta, M. Härkönen, 2002, Scandinavian journal of gastroenterology.

Effects of Helicobacter pylori and bile on N-methyl-N′-nitro-N′-nitrosoguanidine exposed antral mucosa of C57BL/6 mice

L. Domellöf, P. Sipponen, L. Franzén, 2001, Virchows Archiv.

Update on the pathologic approach to the diagnosis of gastritis, gastric atrophy, and Helicobacter pylori and its sequelae.

P. Sipponen, Pentti Sipponen, 2001, Journal of clinical gastroenterology.

Cyclooxygenase-2 and Bcl-2 expression in the stomach mucosa of Wistar rats exposed to Helicobacter pylori, N′-methyl-N′-nitro-N-nitrosoguanidine and bile

L. Domellöf, P. Sipponen, L. Franzén, 2002, Virchows Archiv.

Gastric cellular turnover and the development of atrophy after 31 years of follow-up: a case-control study

S. Moss, P. Sipponen, S. Wang, 1999, American Journal of Gastroenterology.

Gastric cellular turnover and the development of atrophy after 31 years of follow-up: a case-control study.

S. Moss, P. Sipponen, S. Wang, 1999 .

Spontaneous disappearance of Helicobacter pylori antibodies in patients with advanced atrophic corpus gastritis

J. Virtamo, A. Kokkola, H. Rautelin, 2003, APMIS : acta pathologica, microbiologica, et immunologica Scandinavica.

Pepsinogen A, pepsinogen C, and gastrin as markers of atrophic chronic gastritis in European dyspeptics

F. Mégraud, M. Plebani, P. Sipponen, 2003, British Journal of Cancer.

Sensitivity of gastric acid secretion in patients with chronic renal failure.

A. Pasternack, P. Sipponen, O. Keyriläinen, 1987, Scandinavian journal of gastroenterology.

Effects of supplemental alpha-tocopherol and beta-carotene on colorectal cancer: results from a controlled trial (Finland)

D. Albanes, J. Virtamo, P. Taylor, 2000, Cancer causes & control : CCC.

Enhanced systemic matrix metalloproteinase response in Helicobacter pylori gastritis

H. Rautelin, A. Lauhio, L. Veijola, 2009, Annals of medicine.

Antibacterial effects of home‐made resin salve from Norway spruce (Picea abies)

J. Jokinen, P. Sipponen, P. Carlson, 2007, APMIS : acta pathologica, microbiologica, et immunologica Scandinavica.

Expression of cyclooxygenase-2 in human gastric carcinoma.

A. Ristimäki, M. Härkönen, P. Sipponen, 1997, Cancer research.

Natural history of gastritis and its relationship to peptic ulcer disease.

P. Sipponen, 1992, Digestion.

OLGA staging for gastritis: a tutorial.

P. Malfertheiner, D. Graham, E. El-Omar, 2008, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Hepatic copperinprimary biliary cirrhosis: biliary excretion andresponsetopenicillamine treatment*

E. Vuori, T. Miettinen, P. Sipponen, 1981 .

Hepatic copper in primary biliary cirrhosis: biliary excretion and response to penicillamine treatment.

E. Vuori, T. Miettinen, P. Sipponen, 1978, Gut.

Relative risk of stump cancer following partial gastrectomy

E. Kivilaakso, P. Sipponen, T. Kalima, 1977, The British journal of surgery.

Chronic gastritis in cholecystectomized patients.

P. Sipponen, H. Hyvärinen, M. Kekki, 1987, Scandinavian journal of gastroenterology.

An 18-year follow-up study of chronic gastritis and Helicobacter pylori association of CagA positivity with development of atrophy and activity of gastritis.

R. Uibo, T. Vorobjova, P. Sipponen, 1999, Scandinavian journal of gastroenterology.

Chronic nonatropic ('superficial') gastritis increases the risk of gastric carcinoma. A case-control study.

P. Sipponen, H. Hyvärinen, M. Riihelä, 1994, Scandinavian journal of gastroenterology.

Cumulative 10-year risk of symptomatic duodenal and gastric ulcer in patients with or without chronic gastritis. A clinical follow-up study of 454 outpatients.

P. Sipponen, U. M. Korri, M. Siurala, 1990, Scandinavian journal of gastroenterology.

Atrophic chronic gastritis and intestinal metaplasia in gastric carcinoma. Comparison with a representative population sample

P. Sipponen, M. Kekki, M. Siurala, 1983, Cancer.

Favourable effect of an acidified milk (LC-1) on Helicobacter pylori gastritis in man

A. Blum, A. Pfeifer, D. Brassart, 2001, European journal of gastroenterology & hepatology.

Role of earlier gastroscopy in predicting findings on repeat gastroscopy in a population with a low H. pylori prevalence

H. Rautelin, S. Sarna, L. Veijola, 2008, Scandinavian journal of gastroenterology.

Diagnosis of atrophic gastritis from a serum sample.

P. Sipponen, M. Härkönen, O. Suovaniemi, 2003, Clinical laboratory.

Increased risk of developing atrophic gastritis in patients infected with CagA+ Helicobacter pylori.

P. Sipponen, T. Wadström, M. Härkönen, 2001, Scandinavian journal of gastroenterology.

Does the ‘test‐and‐treat’ strategy work in primary health care for management of uninvestigated dyspepsia? A prospective two‐year follow‐up study of 1552 patients

M. Färkkilä, S. Sarna, V. Valtonen, 2004, Scandinavian journal of gastroenterology.

Carcinoembryonic antigen in malignant and nonmalignant gynecologic tumors. Circulating levels and tissue localization

U. Stenman, E. Saksela, P. Sipponen, 1978, Cancer.

Omeprazole, amoxycillin and metronidazole for the cure of Helicobacter pylori infection.

R. Spiller, F. Mégraud, C. O'Morain, 1999, European journal of gastroenterology & hepatology.

Demonstration of an intracellular copper-binding protein by orcein staining in long-standing cholestatic liver diseases.

P. Sipponen, M. Salaspuro, 1976, Gut.

Clinical correlations and significance of orceinpositivity in chronic active hepatitis and primary biliary cirrhosis.

T. Miettinen, P. Sipponen, E. Ikkala, 1976, Annals of clinical research.

Histological characteristics of chronic hepatides and primary biliary cirrhosis with special reference to orcein positive hepatocellular accumulations.

P. Sipponen, M. Salaspuro, H. Makkonen, 1976, Annals of clinical research.

Demonstration ofanintracellular copper-binding protein byorcein staining inlong-standing cholestatic liver diseases

P. Sipponen, M. Salaspuro, 1976 .

Natural coniferous resin lacquer in treatment of toenail onychomycosis: an observational study

J. Jokinen, P. Sipponen, A. Sipponen, 2013, Mycoses.

Serum biomarkers provide an accurate method for diagnosis of atrophic gastritis in a general population: The Kalixanda study

M. Vieth, M. Stolte, L. Engstrand, 2008, Scandinavian journal of gastroenterology.

Biomarkers in clinical practice: a tool to find subjects at high risk for stomach cancer. A personal view.

P. Sipponen, 2006, Advances in medical sciences.

Evaluation of blood tests to predict normal gastric mucosa.

H. Rautelin, S. Sarna, P. Sipponen, 2000, Scandinavian journal of gastroenterology.

Classification principles and genetics of chronic gastritis.

P. Sistonen, P. Sipponen, H. Nevanlinna, 1987, Scandinavian journal of gastroenterology. Supplement.

The sequelae and course of chronic gastritis during a 30- to 34-year bioptic follow-up study.

P. Sipponen, M. Kekki, M. Siurala, 1985, Scandinavian journal of gastroenterology.

Gastric inflammation and neutrophil-activating and cytotoxin-producing Helicobacter pylori strains.

H. Rautelin, S. Sarna, P. Sipponen, 1996, Scandinavian journal of gastroenterology.

Disappearance of gastritis after eradication of Helicobacter pylori. A morphometric study.

P. Sipponen, T. Kosunen, K. Seppälä, 1991, Scandinavian journal of gastroenterology.

Culture ofHelicobacter pylori from gastric biopsies transported in biopsy urease test tubes

H. Rautelin, P. Sipponen, P. Kärkkäinen, 1997, European Journal of Clinical Microbiology and Infectious Diseases.

Comparison of CA 19-9 and carcinoembryonic antigen (CEA) levels in the serum of patients with colorectal diseases.

O. Mäkelä, P. Roberts, J. Mecklin, 1984, British Journal of Cancer.

Prevalence of undiagnosed advanced atrophic corpus gastritis in Finland: an observational study among 4,256 volunteers without specific complaints

P. Sipponen, A. Telaranta-Keerie, M. Härkönen, 2010, Scandinavian journal of gastroenterology.

Correlation Between the Allelic Distribution of STRs in a Finnish Population and Phenotypically Different Gastrointestinal Tumours: A Study Using Four X‐Chromosomal Markers (DXS7423, DXS8377, ARA, DXS101)

A. Sajantila, P. Sipponen, H. Vauhkonen, 2004, Annals of human genetics.

Characteristics of gastric mucosa which precede occurrence of gastric malignancy: results of long-term follow-up of three family samples.

P. Sipponen, M. Kekki, M. Siurala, 1991, Scandinavian journal of gastroenterology. Supplement.

Mucosal argyrophil endocrine cells in pernicious anaemia and upper gastrointestinal carcinoid tumours.

H. Järvinen, P. Sipponen, S. Sjöblom, 1989, Journal of clinical pathology.

Carcinoembryonic antigen in endoscopic brush specimens from benign and malignant gastric lesions.

S. Nordling, P. Sipponen, J. Lindgren, 1979, British Journal of Cancer.

Dysplasia and carcinoma in longstanding ulcerative colitis: an endoscopic and histological surveillance programme.

P. Sipponen, M. Leidenius, I. Kellokumpu, 1991, Gut.

Budesonide enema active haemorrhagic proctitis—a controlled trial against hydrocortisone foam enema

U. Turunen, W. Burnham, P. Sipponen, 1994, Alimentary pharmacology & therapeutics.

What fraction of hospital ulcer patients is eligible for prospective drug trials?

P. Sipponen, M. Siurala, I. Kääriäinen, 1991, Scandinavian journal of gastroenterology. Supplement.

Evaluation of gastric biopsies for neoplasia: differences between Japanese and Western pathologists.

H. Watanabe, R. Riddell, P. Sipponen, 1999, The American journal of surgical pathology.

Atrophic gastritis and Helicobacter pylori infection in outpatients referred for gastroscopy

H. Rautelin, S. Sarna, L. Veijola, 2000, Gut.

Seropositivity to Helicobacter pylori heat shock protein 60 is strongly associated with intensity of chronic inflammation, particularly in antrum mucosa: an extension of an 18-year follow-up study of chronic gastritis in Saaremaa, Estonia.

R. Uibo, T. Vorobjova, P. Sipponen, 2001, FEMS immunology and medical microbiology.

Apoptosis in different compartments of antrum and corpus mucosa in chronic Helicobacter pylori gastritis. An 18-year follow-up study.

R. Uibo, T. Vorobjova, P. Sipponen, 2001, Scandinavian journal of gastroenterology.

Significant increase in antigastric autoantibodies in a long-term follow-up study of H. pylori gastritis

R. Uibo, T. Kirchner, G. Faller, 2000, Virchows Archiv.

A 12-year follow-up study of chronic gastritis and Helicobacter pylori in a population-based random sample.

P. Sipponen, A. Tamm, H. Maaroos, 1995, Scandinavian journal of gastroenterology.

Chronic gastritis: progression of inflammation and atrophy in a six-year endoscopic follow-up of a random sample of 142 Estonian urban subjects.

R. Uibo, P. Sipponen, A. Tamm, 1991, Scandinavian journal of gastroenterology. Supplement.

Epidemiology and dynamics of gastritis in a representative sample of an Estonin urban population.

P. Sipponen, A. Tamm, M. Kekki, 1982, Scandinavian journal of gastroenterology.

Decreased prevalence of gallstones in gastric cancer.

E. Kivilaakso, P. Sipponen, J. Sipponen, 1982, American journal of surgery.

Helicobacter pylori and duodenal ulcer. A study of duodenal ulcer patients and their first-degree relatives.

P. Sipponen, P. Pikkarainen, M. Vuoristo, 1991, Scandinavian journal of gastroenterology. Supplement.

Campylobacter pylori is associated with chronic gastritis but not with active peptic ulcer disease

P. Sipponen, A. Cederberg, H. Salmi, 1988, APMIS : acta pathologica, microbiologica, et immunologica Scandinavica.

Oesophageal Histology in Gastro-Oesophageal Reflux Disease Is of Minor Pre- and Postoperative Diagnostic Value

A. Leppäniemi, P. Sipponen, E. Sihvo, 2004, Digestive Diseases.

Seven-year follow-up study of chronic gastritis in gastric ulcer patients.

R. Uibo, P. Sipponen, H. Maaroos, 1985, Scandinavian journal of gastroenterology.

Hypochlorhydric stomach: a risk condition for calcium malabsorption and osteoporosis?

P. Sipponen, M. Härkönen, 2010, Scandinavian journal of gastroenterology.

Tenascin expression in inflammatory, dysplastic and neoplastic lesions of the human stomach

P. Sipponen, I. Virtanen, V. Gould, 2004, Virchows Archiv.

The Sydney System for classification of gastritis 20 years ago

A. Price, P. Sipponen, 2011, Journal of gastroenterology and hepatology.

Grade of Helicobacter pylori colonisation in relation to gastritis: a six-year population-based follow-up study.

R. Uibo, P. Sipponen, A. Tamm, 1991, Scandinavian journal of gastroenterology. Supplement.

Implications of serum pepsinogen I in early endoscopic diagnosis of gastric cancer and dysplasia. Helsinki Gastritis Study Group.

D. Albanes, J. Virtamo, P. Taylor, 2000, Scandinavian journal of gastroenterology.

Gastric cancer and premalignant lesions in atrophic gastritis: a controlled trial on the effect of supplementation with alpha-tocopherol and beta-carotene. The Helsinki Gastritis Study Group.

D. Albanes, J. Virtamo, P. Taylor, 1998, Scandinavian Journal of Gastroenterology.

Risk of Peptic Ulcer in Gastritis

P. Sipponen, 1990 .

Helicobacter (Campylobacter) pylori Infestation and the Development and Progression of Chronic Gastritis: Results of Long-term Follow-up Examinations of a Random Sample

P. Sipponen, M. Kekki, M. Siurala, 1990, Endoscopy.

Clinical impact of routine biopsies of the gastric antrum and body.

M. Stolte, P. Sipponen, 1997, Endoscopy.

Primary Helicobacter pylori resistance to metronidazole and clarithromycin in the Finnish population

M. Färkkilä, H. Rautelin, P. Sipponen, 2004, Alimentary pharmacology & therapeutics.

Faecal antigen tests in the confirmation of the effect of Helicobacter eradication therapy

N. Oksala, P. Sipponen, P. Carlson, 2006, Annals of medicine.

Association of autoimmune type atrophic corpus gastritis with Helicobacter pylori infection.

H. Rautelin, L. Veijola, P. Sipponen, 2010, World journal of gastroenterology.

A Young Man Dying Of Fulminant Hepato-Renal Syndrome. The Tagging To Alcohol Addiction Obscured the Diagnosis and Precluded the Treatment of Chronic Viral Hepatitis (HBV, HCV, HDV) As the Cause of His Liver Cirrhosis

K. Syrjänen, P. Sipponen, M. Härkönen, 2017 .

Gastric dysplasia: the Padova international classification.

M. Rugge, H. Watanabe, T. Hattori, 2000, The American journal of surgical pathology.

Eradication of Helicobacter pylori improves the healing rate and reduces the relapse rate of nonbleeding ulcers in patients with bleeding peptic ulcer

M. Färkkilä, H. Rautelin, E. Kivilaakso, 2003, American Journal of Gastroenterology.

Cure of Helicobacter pylori infection after failed primary treatment: one-center results from 120 patients.

M. Färkkilä, H. Rautelin, S. Sarna, 2000, Scandinavian journal of gastroenterology.

Mast cells and eosinophils in the jejunal mucosa of patients with intestinal cow's milk allergy and celiac disease of childhood.

E. Savilahti, P. Sipponen, I. Kósnai, 1984, Journal of pediatric gastroenterology and nutrition.

Fecal bacteriology and reservoir ileitis in patients operated on for ulcerative colitis

H. Järvinen, V. Valtonen, P. Sipponen, 1988, Diseases of the colon and rectum.

Helicobacter pylori in functional dyspepsia and normal controls.

A. Berstad, T. T. Haug, P. Sipponen, 1994, Scandinavian journal of gastroenterology.

A gastroscopic and histological double-blind study of the effects of diclofenac sodium and naproxen on the human gastric mucosa.

P. Sipponen, J. Lehtola, 1977, Scandinavian journal of rheumatology.

Diagnostic value of decreasing IgG, IgA, and IgM antibody titres after eradication of Helicobacter pylori

S. Sarna, P. Sipponen, T. Kosunen, 1992, The Lancet.

The GU‐MACH study: the effect of 1‐week omeprazole triple therapy on Helicobacter pylori infection in patients with gastric ulcer

R. Spiller, P. Malfertheiner, C. O'Morain, 1999, Alimentary pharmacology & therapeutics.

Rationale in diagnosis and screening of atrophic gastritis with stomach-specific plasma biomarkers

P. Malfertheiner, E. Kuipers, M. Rugge, 2012, Scandinavian journal of gastroenterology.

Effects of Norway Spruce (Picea abies) Resin on Cell Wall and Cell Membrane of Staphylococcus aureus

K. Lounatmaa, J. Jokinen, P. Sipponen, 2009, Ultrastructural pathology.

Changes in acid secretion over the years. A 30-year longitudinal study.

K. Jaskiewicz, I. Marks, P. Sipponen, 1997, Journal of clinical gastroenterology.

Chronic gastritis

P. Sipponen, H. Maaroos, 2015, Scandinavian journal of gastroenterology.

Risk of gastric carcinoma in patients with mucosal dysplasia associated with atrophic gastritis: a follow up study.

J. Virtamo, A. Kokkola, P. Puolakkainen, 1996, Journal of clinical pathology.

Increased risk of gastric cancer in males affects the intestinal type of cancer and is independent of age, location of the tumour and atrophic gastritis.

P. Sipponen, M. Kekki, M. Siurala, 1988, British Journal of Cancer.

Chronic gastritis and gastroduodenal ulcer: a case control study on risk of coexisting duodenal or gastric ulcer in patients with gastritis.

P. Kettunen, P. Sipponen, T. Helske, 1989, Gut.

Carcinoembryonic antigen (CEA) in the gastric mucosa after partial gastrectomy.

L. Domellöf, P. Sipponen, J. Lindgren, 1979, Scandinavian journal of gastroenterology.

CEA and CEA-like activity in gastric cancer.

E. Engvall, E. Ruoslahti, U. Stenman, 1976, Acta hepato-gastroenterologica.

Gastric polyps; their morphological and endoscopical characteristics and relation to gastric carcinoma.

P. Sipponen, F. Laxén, T. Ihamäki, 2009, Acta pathologica, microbiologica, et immunologica Scandinavica. Section A, Pathology.

Differences in diagnostic criteria for gastric carcinoma between Japanese and Western pathologists

M. Stolte, R. Riddell, R. Fujita, 1997, The Lancet.

Gastric mucosal atrophy: interobserver consistency using new criteria for classification and grading

M. Rugge, A. Price, H. Watanabe, 2002, Alimentary pharmacology & therapeutics.

Serum pepsinogens I and II and gastric mucosal histology after partial gastrectomy.

P. Sipponen, I. Samloff, K. Varis, 1985, Gut.

Helicobacter pylori in peptic ulcer disease.

Fred E. Silverstein, Nicholas J. Talley, David Forman, 1994, NIH consensus statement.

P. Sipponen, P. Sipponen, M. Kekki, 1984, British Journal of Cancer.

INTESTINAL METAPLASIA WITH COLONIC‐TYPE SULPHOMUCINS IN THE GASTRIC MUCOSA; ITS ASSOCIATION WITH GASTRIC CARCINOMA

P. Sipponen, M. Kekki, L. Hjelt, 1980, Acta pathologica et microbiologica Scandinavica. Section A, Pathology.

Helicobacter pylori: histological and serological study on gastric and duodenal ulcer patients in Estonia.

R. Uibo, T. Vorobjova, P. Sipponen, 1991, Scandinavian journal of gastroenterology. Supplement.

The occurrence and extent of Helicobacter pylori colonization and antral and body gastritis profiles in an Estonian population sample.

P. Sipponen, A. Tamm, H. Maaroos, 1990, Scandinavian journal of gastroenterology.

Campylobacter pylori in a sample of Finnish population: relations to morphology and functions of the gastric mucosa.

P. Sipponen, M. Kekki, M. Siurala, 1988, Gut.

Lysozyme in neoplastic Paneth cells of a jejunal adenocarcinoma.

Y. Collan, Y. Konttinen, S. Reitamo, 2009, Acta pathologica et microbiologica Scandinavica. Section A, Pathology.

Young onset peptic ulcer disease and non-ulcer dyspepsia are separate entities.

S. Sarna, P. Sipponen, M. Härkönen, 1991, Scandinavian journal of gastroenterology. Supplement.

[Mushroom poisoning caused by Cortinarius speciosissimus].

J. Forsström, P. Sipponen, J. Vilska, 1974, Duodecim; laaketieteellinen aikakauskirja.

Oligonucleotide array comparative genomic hybridization refines the structure of 8p23.1, 17q12 and 20q13.2 amplifications in gastric carcinomas

S. Knuutila, P. Sipponen, H. Vauhkonen, 2007, Cytogenetic and Genome Research.

Characterizing genetically stable and unstable gastric cancers by microsatellites and array comparative genomic hybridization.

A. Sajantila, S. Knuutila, P. Sipponen, 2006, Cancer genetics and cytogenetics.

DNA copy number aberrations in intestinal-type gastric cancer revealed by array-based comparative genomic hybridization.

A. Sajantila, S. Knuutila, P. Sipponen, 2006, Cancer genetics and cytogenetics.

Elevated levels of a somatomedin‐binding protein PP12 in patients with ovarian cancer

P. Sipponen, P. Heinonen, E. Rutanen, 1986, Cancer.

The risk of gastric carcinoma and carcinoid tumours in patients with pernicious anaemia. A prospective follow-up study.

H. Järvinen, A. Kokkola, P. Puolakkainen, 1998, Scandinavian journal of gastroenterology.

Placental protein 12 (PP12) in primary liver cancer and cirrhosis.

R. Koistinen, P. Sipponen, H. Jalanko, 1984, Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine.

Evaluation of gastrointestinal cancer tissues as a source of genetic information for forensic investigations by using STRs.

A Sajantila, A. Sajantila, M. Kataja, 2004, Forensic science international.

Pathology and molecular biology of gastric cancer.

Hanna Vauhkonen, P. Sipponen, H. Vauhkonen, 2006, Best practice & research. Clinical gastroenterology.

Gastroscopic Screening for Gastric Carcinoids and Carcinoma in Pernicious Anemia

P. Sipponen, M. Miettinen, S. Sjöblom, 1988, Endoscopy.

GastroPanel® Biomarker Assay: The Most Comprehensive Test for Helicobacter pylori Infection and Its Clinical Sequelae. A Critical Review

M. Eskelinen, K. Syrjänen, T. Sillakivi, 2019, AntiCancer Research.

Helicobacter pylori: a cohort phenomenon.

P. Sipponen, 1995, The American journal of surgical pathology.

Helicobacter pylori eradication as the sole treatment for gastric and duodenal ulcers

M. Färkkilä, H. Rautelin, P. Sipponen, 2005, European journal of gastroenterology & hepatology.

Peripheral Rearterialization for Critical Limb Ischaemia and Antiseptic Resin or Hon- ey Salve in Postoperative Ulcer Care Results in Healing Rate Of Leg Ulcers in Three

T. Auvinen, J. Jokinen, P. Sipponen, 2020 .

Size of the peptic ulcer in Helicobacter pylori-positive patients: association with the clinical and histological characteristics

A. Kokkola, P. Sipponen, P. Arkkila, 2007, Scandinavian journal of gastroenterology.

Clinical significance of esophageal histologic findings after antireflux surgery.

T. Kiviluoto, P. Sipponen, J. Salo, 2001, Archives of surgery.

Elevated pro-inflammatory and lipotoxic mucosal lipids characterise irritable bowel syndrome.

M. Orešič, R. Korpela, K. Kajander, 2009, World journal of gastroenterology.

High frequency of helicobacter negative gastritis in patients with Crohn's disease.

H. Rautelin, P. Sipponen, P. Kärkkäinen, 1996, Gut.

Uninterrupted prolonged ethanol oxidation as a main pathogenetic factor of alcoholic liver damage: evidence from a new liquid diet animal model.

P. Sipponen, K. Lindros, P. Pikkarainen, 2008, Liver.

Orcein positive hepatocellular material in long-standing biliary diseases. I. Histochemical characteristics.

P. Sipponen, 1976, Scandinavian journal of gastroenterology.

Orcein positive hepatocellular material in long-standing biliary diseases. II. Ultrastructural studies.

P. Sipponen, 1976, Scandinavian journal of gastroenterology.

The occurrence of orcein-positive hepatocellular material in various liver diseases.

P. Sipponen, M. Salaspuro, H. Makkonen, 1976, Scandinavian journal of gastroenterology.

Orcein positive hepatocellular material in histological diagnosis of primary biliary cirrhosis.

P. Sipponen, M. Salaspuro, H. Makkonen, 1975, Annals of clinical research.

The effect of hepatic dearterialization and re-dearterialization on carcinoid liver metastases.

P. Sipponen, A. Sivula, 1976, Annales chirurgiae et gynaecologiae.

Immunohistochemical study of neuroendocrine cells at the gastric cardia mucosa

M. Färkkilä, P. Sipponen, M. Juhola, 2002, Journal of clinical pathology.

Probiotic intervention decreases serum gastrin-17 in Helicobacter pylori infection.

R. Korpela, K. Kajander, H. Vapaatalo, 2007, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Chronic antral gastritis, Lewis(a+) phenotype, and male sex as factors in predicting coexisting duodenal ulcer.

P. Kettunen, P. Sipponen, T. Helske, 1989, Scandinavian journal of gastroenterology.

Cure of peptic gastric ulcer associated with eradication of Helicobacter pylori. Finnish Gastric Ulcer Study Group.

E. Kivilaakso, P. Sipponen, P. Pikkarainen, 1995, Gut.

Helicobacter pylori-negative duodenal and pyloric ulcer: role of NSAIDs.

P. Sipponen, H. Hyvärinen, S. Salmenkylä, 1996, Digestion.

Gastric metaplasia and chronic inflammation at the duodenal bulb mucosa.

M. Färkkilä, P. Sipponen, M. Juhola, 2003, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Morphological and dynamic behavior of the gastric mucosa after partial gastrectomy with special reference to the gastroenterostomy area.

P. Sipponen, M. Siurala, K. Varis, 1980, Hepato-gastroenterology.

Gastric carcinoma in young adults.

A. Kokkola, P. Sipponen, 2001, Hepato-gastroenterology.

Differences in the diagnostic criteria used by japanese and western pathologists to diagnose colorectal carcinoma

M. Stolte, R. Riddell, T. Shimoda, 1998, Cancer.

Effects of supplemental α-tocopherol and β-carotene on colorectal cancer: results from a controlled trial (Finland)

D. Albanes, J. Virtamo, P. Taylor, 2000, Cancer Causes & Control.

Typing of XY (male) genotype from malignant neoplastic tissue by the amelogenin-based sex test.

A. Sajantila, P. Sipponen, H. Vauhkonen, 2004, Journal of forensic sciences.

The gastric mucosa in stomachs with polyps: morphologic and dynamic evaluation.

P. Sipponen, M. Kekki, M. Siurala, 1983, Scandinavian journal of gastroenterology.

Colonoscopy in the diagnosis of antibiotic-associated colitis. A prospective study.

P. Sipponen, L. Hjelt, K. Seppälä, 1981, Scandinavian journal of gastroenterology.

Tolerance of rat duodenum to luminal acid

T. Kiviluoto, H. Mustonen, E. Kivilaakso, 1990, Digestive Diseases and Sciences.

Chronic gastritis and ulcer risk.

P. Sipponen, 1990, Scandinavian journal of gastroenterology.

Functional characteristics of duodenal ulcer patients and their first-degree relatives.

P. Sipponen, P. Pikkarainen, M. Vuoristo, 1991, Scandinavian journal of gastroenterology. Supplement.

Progression of antral and body gastritis in patients with active and healed duodenal ulcer and duodenitis.

P. Sipponen, M. Kekki, M. Siurala, 1984, Scandinavian journal of gastroenterology.

Rate of Helicobacter pylori acquisition among Finnish adults: a fifteen year follow-up.

O. Heinonen, P. Sipponen, T. Kosunen, 1996, Scandinavian journal of gastroenterology.

Clinical Significance of Widespread Gastric Metaplasia in the Duodenal Bulb

A. Sankila, H. Rautelin, S. Sarna, 2006, Journal of clinical gastroenterology.

Diagnosis of Helicobacter pylori Infection in Patients with Atrophic Gastritis: Comparison of Histology, 13C-Urea Breath Test, and Serology

M. Färkkilä, A. Kokkola, H. Rautelin, 2000, Scandinavian journal of gastroenterology.

Gastroduodenal peptic ulcers, duodenal adhesions, and upper gastrointestinal motility disturbances in patients who have undergone cholecystectomy.

D. Hallikainen, E. Silvennoinen, P. Sipponen, 1987, Scandinavian journal of gastroenterology.

Risk of gastric cancer in Helicobacter pylori infection in a 15-year follow-up

M. Hakama, E. Pukkala, P. Sipponen, 2016, Scandinavian journal of gastroenterology.

Long-term course and consequences of Helicobacter pylori gastritis. Results of a 32-year follow-up study.

P. Sipponen, M. Kekki, M. Siurala, 1996, Scandinavian journal of gastroenterology.

Long-term effect of vagotomy on gastric mucosa and Helicobacter pylori in duodenal ulcer patients.

P. Sipponen, H. Maaroos, A. Peetsalu, 1991, Scandinavian journal of gastroenterology. Supplement.

Cystic "hamartomatous" epithelial polyps of the stomach.

P. Sipponen, M. Siurala, 1978, Acta hepato-gastroenterologica.

Cystic ‘hamartomatous’ gastric polyps: a disorder of oxyntic glands

P. Sipponen, K. Seppälä, F. Laxén, 1983, Histopathology.

Positive Result by Serology Indicates ActiveHelicobacter pylori Infection in Patients with Atrophic Gastritis

M. Färkkilä, A. Kokkola, H. Rautelin, 1998, Journal of Clinical Microbiology.

Helicobacter pylori and chronic gastritis: an increased risk of peptic ulcer? A review.

P. Sipponen, 1991, Scandinavian journal of gastroenterology. Supplement.

Comparison of three stool antigen tests in confirming Helicobacter pylori eradication in adults

H. Rautelin, L. Veijola, P. Sipponen, 2005, Scandinavian journal of gastroenterology.

Gastritis and gastric cancer. Western countries.

B. Marshall, P. Sipponen, P Sipponen, 2000, Gastroenterology clinics of North America.

Serological biomarker testing helps avoiding unnecessary endoscopies in obese patients before bariatric surgery

K. Syrjänen, Ž. Riispere, T. Sillakivi, 2018, BMC Obesity.

Impact of non-steroidal anti-inflammatory drug and aspirin use on the prevalence of dyspepsia and uncomplicated peptic ulcer disease.

M. Färkkilä, P. Sipponen, M. Juhola, 2001, Scandinavian journal of gastroenterology.

Fasting serum gastrin level and peak acid output in chronic gastritis : a study on subjects in four population-based samples of Finnish people

P. Sipponen, M. Siurala, J. Valle, 1992 .

Spontaneous regression of a bronchial carcinoid tumour following pregnancy.

P. Sipponen, R. Luosto, K. Koikkalainen, 1974, Annales chirurgiae et gynaecologiae Fenniae.

Helicobacter pylori eradication and standardized 3-month omeprazole therapy in functional dyspepsia.

M. Färkkilä, P. Sipponen, J. Koskenpato, 2001 .

Helicobacter pylori eradication and standardized 3-month omeprazole therapy in functional dyspepsia

M. Färkkilä, P. Sipponen, J. Koskenpato, 2001, American Journal of Gastroenterology.

Fall in the prevalence of chronic gastritis over 15 years: analysis of outpatient series in Finland from 1977, 1985, and 1992.

P. Sipponen, H. Hyvärinen, M. Siurala, 1994, Gut.

Selective loss of parietal cells in the gastric remnant following antral resection.

P. Sipponen, T. Kalima, M. Siurala, 1976, Scandinavian journal of gastroenterology.

Age behaviour of gastric acid secretion in males and females with a normal antral and body mucosa.

P. Sipponen, M. Kekki, M. Siurala, 1983, Scandinavian journal of gastroenterology.

PROGNOSIS OF SEVERE BRAIN INJURY

P. Sipponen, O. Heiskanen, 1970, Acta neurologica Scandinavica.

The Sydney System: Epidemiology and natural history of chronic gastritis

P. Sipponen, M. Kekki, M. Siurala, 1991, Journal of Gastroenterology and Hepatology.

Gastric Cancer and Premalignant Lesions in Atrophic Gastritis: A Controlled Trial on the Effect of Supplementation with Alpha-Tocopherol and Beta-Carotene

D. Albanes, J. Virtamo, P. Taylor, 1998 .

Chronic Nonatrophic (‘Superficial’) Gastritis Increases the Risk of Gastric Carcinoma: A Case-Control Study

P. Sipponen, H. Hyvärinen, M. Riihelä, 1994 .

Argyrophil cell hyperplasia associated with chronic corpus gastritis in gastric ulcer disease.

P. Sipponen, H. Maaroos, N. Havu, 1991, Scandinavian journal of gastroenterology. Supplement.

Serum biomarker tests are useful in delineating between patients with gastric atrophy and normal, healthy stomach.

T. Shimosegawa, P. Sipponen, T. Koike, 2009, World journal of gastroenterology.

Fasting levels of serum gastrin in different functional and morphologic states of the antrofundal mucosa. An analysis of 860 subjects.

P. Sipponen, M. Kekki, M. Siurala, 1990, Scandinavian journal of gastroenterology.

The relationships between chronic gastritis and gastric acid secretion.

P. Sipponen, M. Kekki, M. Siurala, 1996, Alimentary pharmacology & therapeutics.

Helicobacter pylori and Different Topographic Types of Gastritis

M. Färkkilä, P. Sipponen, J. Koskenpato, 2002, Scandinavian journal of gastroenterology.

Diagnosis of atrophic gastritis from a serum sample.

P. Sipponen, M. Härkönen, O. Suovaniemi, 2003, Minerva gastroenterologica e dietologica.

Prevalence of low vitamin B12 and high homocysteine in serum in an elderly male population: association with atrophic gastritis and Helicobacter pylori infection

P. Sipponen, M. Härkönen, K. Huotari, 2003, Scandinavian journal of gastroenterology.

Positive serology indicates an active H. pylori infection in patients with atrophic gastritis in spite of negative histology and 13C-urea breath test

M. Färkkilä, A. Kokkola, H. Rautelin, 1998 .

Serum pepsinogen I and serum gastrin in the screening of atrophic pangastritis with high risk of gastric cancer.

P. Sipponen, M. Härkönen, I. Samloff, 1991, Scandinavian journal of gastroenterology. Supplement.

The role of pepsinogen assays as surrogate markers of gastritis dynamics in population studies

P. Sipponen, M. Härkönen, O. Suovaniemi, 2003 .

Follow‐Up of Helicobacter pylori Positive Gastritis and Argyrophil Cells Pattern During the Natural Course of Gastric Ulcer

P. Sipponen, H. Maaroos, N. Havu, 1998, Helicobacter.

Risk of recurrence of gastric ulcer, chronic gastritis, and grade of Helicobacter pylori colonization. A long-term follow-up study of 25 patients.

T. Vorobjova, P. Sipponen, H. Maaroos, 1994, Scandinavian journal of gastroenterology.

Grade of Helicobacter pylori colonisation, chronic gastritis and relative risks of contracting high gastric ulcers: a seven-year follow-up.

P. Sipponen, H. Maaroos, M. Kekki, 1991, Scandinavian Journal of Gastroenterology, Supplement.

Helicobacter pylori infection in young patients with gastric carcinoma.

A. Kokkola, P. Puolakkainen, E. Kivilaakso, 1996, Scandinavian journal of gastroenterology.

Immunological parameters, viral antibodies, and biochemical and histological findings in relatives of patients with chronic active hepatitis and primary biliary cirrhosis.

P. Sipponen, M. Salaspuro, O. Laitinen, 1976, Scandinavian journal of gastroenterology.

Clinical use of proton-pump inhibitors but not H2-blockers or antacid/alginates raises the serum levels of amidated gastrin-17, pepsinogen I and pepsinogen II in a random adult population

N. Talley, J. Ronkainen, P. Aro, 2009, Scandinavian journal of gastroenterology.

The effect of vagotomy and antrectomy on serum pepsinogens I and II.

P. Sipponen, M. Härkönen, S. Karonen, 1990, Scandinavian journal of gastroenterology.

Gastrin-17 specific antibodies are too specific for gastrinoma diagnosis but stain G-cells

J. Rehfeld, J. Goetze, P. Sipponen, 2005, Scandinavian journal of gastroenterology.

Electrical stimulation of the thalamic and subthalamic area in cerebral palsy.

L. Laitinen, P. Sipponen, G. Johansson, 1966, Acta physiologica Scandinavica.

Increase of serum pepsinogen I with age in females with normal gastric mucosa but not in males, possibly due to increase in acid-pepsin secreting area.

P. Sipponen, I. Samloff, M. Kekki, 1991, Scandinavian journal of gastroenterology. Supplement.

Classical Barrett esophagus contrasted with Barrett-type epithelium at normal-appearing esophagogastric junction. Central Finland Endoscopy Study Group.

J. Mecklin, M. Färkkilä, P. Sipponen, 2000, Scandinavian journal of gastroenterology.

Helicobacter pylori eradication in the healing of atrophic gastritis: A one-year prospective study

M. Färkkilä, L. Veijola, P. Sipponen, 2006, Scandinavian journal of gastroenterology.

Helicobacter pylori and different topographic types of gastritis: treatment response after successful eradication therapy in functional dyspepsia.

M. Färkkilä, P. Sipponen, J. Koskenpato, 2002 .

Helicobacter pylori infection induces a reversible expression of the CDX2 transcription factor protein in human gastric epithelium

P. Sipponen, H. Vauhkonen, M. Vauhkonen, 2008, Scandinavian journal of gastroenterology.

Morphology and dynamics of the gastric mucosa in duodenal ulcer patients and their first-degree relatives.

P. Sipponen, S. Tarpila, I. Samloff, 1983, Hepato-gastroenterology.

Alcoholic liver damage is provoked by 4-methylpyrazole, which prolongs the influence of ethanol but reduces acetaldehyde levels.

U. Turunen, P. Sipponen, K. Lindros, 1979, Alcoholism, clinical and experimental research.

Foveolar hyperplasia at the gastric cardia: prevalence and associations.

M. Färkkilä, P. Sipponen, M. Juhola, 2002, Journal of clinical pathology.

Inflammation in the cardia

P. Sipponen, M. Voutilainen, 2001, Current gastroenterology reports.

Prepyloric erosions: an entity of its own among erosive gastric lesions. A morphologic and dynamic study of gastric mucosa in patients with gastric erosions.

P. Sipponen, A. Karvonen, J. Lehtola, 1987, Scandinavian journal of gastroenterology.

Cure of Helicobacter pylori infection in all compliant patients: report on 644 subjects

H. Rautelin, L. Veijola, R. Tilvis, 2008, Scandinavian journal of gastroenterology.

Mucosal alterations in pelvic ileal reservoirs. A histological and ultrastructural evaluation in an experimental model.

H. Järvinen, P. Sipponen, P. Luukkonen, 1988, Annales chirurgiae et gynaecologiae.

H. pylori corpus gastritis--relation to acid output.

P. Sipponen, H. Hyvärinen, M. Siurala, 1996, Journal of physiology and pharmacology : an official journal of the Polish Physiological Society.

Prevalence rates of heathy stomach mucosa, chronic non-atrophic and atrophic gastritis in endoscopic biopsies in adults born in Finland in 1890–1977

P. Sipponen, 2021, Scandinavian journal of gastroenterology.

Intestinal metaplasia and gastric carcinoma.

P. Sipponen, 1981, Annals of clinical research.

Prevalence of gallstones in Finland: an autopsy study in the Helsinki area.

A. Lowenfels, L. Domellöf, P. Sipponen, 1984, Scandinavian journal of gastroenterology.

Helicobacter pylori infection and chronological extension of atrophic gastritis.

P. Sipponen, K. Kimura, K. Satoh, 1995, European journal of gastroenterology & hepatology.

Differences in genomic instability between intestinal- and diffuse-type gastric cancer

A. Sajantila, P. Sipponen, H. Vauhkonen, 2005, Gastric Cancer.

Progression of fundal gastritis in gastric ulcer patients.

R. Uibo, P. Sipponen, H. Maaroos, 1986, Gastroenterology.

Chronic Gastritis: Epidemiology and Relationship to Peptic Ulcer Diseases

P. Sipponen, 1991 .

Helicobacter pylori and gastritis in children with abdominal complaints.

P. Sipponen, H. Maaroos, T. Rägo, 1991, Scandinavian journal of gastroenterology. Supplement.

New data on dynamics and the etiopathogenic background of gastritis and pernicious anemia

P. Sipponen, M. Kekki, M. Siurala, 1982, Acta Endoscopica.

Histopathology of colorectal carcinomas and adenomas in cancer family syndrome

J. Mecklin, H. Järvinen, P. Sipponen, 1986, Diseases of the colon and rectum.

Copper deposits in fine needle aspiration biopsies in primary biliary cirrhosis.

E. Vuori, P. Sipponen, P. Pikkarainen, 1980, Acta Cytologica.

Gastric mucosal erosions. An endoscopic, histological, and functional study.

A. Ruokonen, P. Sipponen, A. Karvonen, 1983, Scandinavian journal of gastroenterology.

The morphology and dynamics of the gastric mucosa after partial gastrectomy.

P. Sipponen, M. Kekki, M. Saukkonen, 1981, Annals of clinical research.

Impedance and phase angle as a locating method in human stereotaxic surgery.

L. Laitinen, P. Sipponen, G. Johansson, 1966, Journal of neurosurgery.

Gastroscopic follow up of pernicious anaemia patients.

H. Järvinen, P. Sipponen, S. Sjöblom, 1993, Gut.

Histochemical reactions of gastrointestinal mucosubstances with high iron diamine after prior oxidation and methylation of tissue sections

P. Sipponen, 2004, Histochemistry.

Observer agreement on the grading of gastric atrophy

Stolte, M. Stolte, A. Price, 1999, Histopathology.

Helicobacter pylori, chronic gastritis and peptic ulcer.

P. Sipponen, 1992, Materia medica Polona. Polish journal of medicine and pharmacy.

Recording of regional cerebral circulation by an impedance method. A preliminary report

L. Laitinen, P. Sipponen, G. Johansson, 1966 .

Gastric Status and Vitamin B12 Levels in Cardiovascular Patients

F. Verheugt, R. Laheij, P. Sipponen, 2007, Digestive Diseases and Sciences.

Involvement of gastroduodenal mucosa in Crohn's disease

P. Sipponen, K. Smitten, L. Halme, 1992 .

Long-term evaluation of Helicobacter pylori-associated chronic gastritis

P. Sipponen, 1993 .

Gastric cancer associated structure in mucus glycoproteins shown as a clinically useful marker.

P. Sipponen, T. Nevalainen, R. Paasivuo, 1991, Gut.

GEOGRAPHICAL VARIATIONS IN HELICOBACTER PYLORI GASTRITIS AND GASTRIC CANCER

P. Sipponen, J. Pajares, J. Valle, 1997 .

When will Helicobacter pylori gastritis disappear in history in Finland?

S. Sarna, P. Sipponen, I. Vohlonen, 2021, Scandinavian journal of gastroenterology.

Gastric ulcer and gastritis: results of short-term follow-up examinations.

P. Sipponen, M. Kekki, A. Gabryelewicz, 1987, Hepato-gastroenterology.