M. Riihelä

Morphological effects of photodynamic therapy on rabbit bladder using Photofrin II and Photosan intravesically and intravenously.

K. Taari, S. Rannikko, R. Mokka, 1992, British journal of urology.

The prevalence of non-sentinel node metastases in breast cancer patients with sentinel node micrometastases.

P. Heikkilä, T. Toivonen, L. Krogerus, 2005, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Helicobacter pylori infection and chronic gastritis in gastric cancer.

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

Blood Clot Formation in Angiographic Catheters

R. Raininko, M. Riihelä, 1990, Acta radiologica.

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.

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

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

Liver involvement and its course in patients operated on for ulcerative colitis.

H. Järvinen, T. Kiviluoto, K. Mikkola, 1995, Hepato-gastroenterology.

A bioresorbable urethral stent

O. Alfthan, P. Törmälä, T. Pohjonen, 1993, Urological Research.

Fibroepithelial polyps of the ureter.

J. Salo, T. Lehtonen, M. Talja, 1991, Annales chirurgiae et gynaecologiae.

Human Rights and Fundamental Freedoms in the European Union - from the perspective of the applicant countries.

M. Riihelä, 2004 .

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

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

Helicobacter pylori infection andchronic gastritis ingastric cancer

T. Kosunen, M. Riihelä, K. Seppälä, 1992 .