P. Bergsjø

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Tissue oxygen tension of cervix cancer. Comparison of effects of breathing a carbon dioxide mixture and pure oxygen.

P. Bergsjø, J. Evans, 1968, Acta radiologica: therapy, physics, biology.

WHO antenatal care randomised trial for the evaluation of a new model of routine antenatal care

M. Mugford, G. Piaggio, A. Pinol, 2001, The Lancet.

Pre‐pregnancy risk factors of small‐for‐gestational age births among parous women in Scandinavia

H. Hoffman, G. Lindmark, L. Bakketeig, 1993, Acta obstetricia et gynecologica Scandinavica.

Methodological considerations on the design and analysis of an equivalence stratified cluster randomization trial.

G Piaggio, G. Piaggio, A. Pinol, 2001, Statistics in medicine.

Scientific basis for the content of routine antenatal care

J. Villar, P. Bergsjø, J Villar, 1997, Acta obstetricia et gynecologica Scandinavica.

Birthweight and perinatal mortality among singletons and twins in north-eastern Tanzania

R. T. Lie, A. Daltveit, P. Bergsjø, 2008, Scandinavian journal of public health.

Normobaric oxygen treatment during radiotherapy for carcinoma of the uterine cervix. Results from a prospective controlled randomized trial.

C. Tropé, Z. Suo, K. Sundfør, 1999, Radiotherapy and Oncology.

SOCIOECONOMIC IMPLICATIONS OF DYSMENORRHEA

P. Bergsjø, 1979, Acta obstetricia et gynecologica Scandinavica. Supplement.

The incidence of ectopic pregnancy in Hordaland county, Norway 1976–1993

P. Bergsjø, M. Eide, Olav Storeide, 1997, Acta obstetricia et gynecologica Scandinavica.

Handbook of Obstetric Medicine

P. Bergsjø, 2003 .

International collaborative effort (ICE) on birth weight, plurality, perinatal, and infant mortality: IV. Differences in obstetrical delivery practice: Norway, Scotland and the United States

A. Daltveit, L. Irgens, P. Bergsjø, 1991, Acta obstetricia et gynecologica Scandinavica.

THE INFLUENCE OF ANEMIA ON THE RESULTS OF RADIOTHERAPY IN CARCINOMA OF THE CERVIX.

P. Bergsjø, J. Evans, Per Bergsjfø, 1965, Radiology.

Avoidable stillbirths and neonatal deaths in rural Tanzania

R. T. Lie, G. Kvåle, P. Bergsjø, 2003, BJOG : an international journal of obstetrics and gynaecology.

Perinatal mortality in northern rural Tanzania.

R. T. Lie, G. Kvåle, P. Bergsjø, 2003, Journal of health, population, and nutrition.

Dysmenorrhea in Industrial Workers

O. Vellar, P. Bergsjø, H. Jenssen, 1975, Acta obstetricia et gynecologica Scandinavica.

Severe lacerations after childbirth

P. Bergsjø, K. Hordnes, 1993, Acta obstetricia et gynecologica Scandinavica.

Growth of the Fetal Skull, with Special Reference to Weight‐For‐Dates of the Newborn Child

T. Bjerkedal, P. Bergsjø, T. Bakke, 1976, Acta obstetricia et gynecologica Scandinavica.

Perinatal mortality and case fatality after placental abruption in Norway 1967‐1991

L. Irgens, S. Rasmussen, P. Bergsjø, 1996, Acta obstetricia et gynecologica Scandinavica.

The EuroNatal working group. Birth Weight and Perinatal Mortality: A Comparison of Optimal Birth Weight in Seven Western European Countries

G. Borsboom, J. Langhoff‐Roos, J. Mackenbach, 2002 .

Oral contraceptive use and premenopausal breast cancer in Sweden and Norway: possible effects of different pattern of use.

H. Adami, T. Christoffersen, E. Lund, 1989, International journal of epidemiology.

ORAL CONTRACEPTIVES AND BREAST CANCER

H. Adami, R. Bergström, E. Lund, 1987, The Lancet.

Hemoconcentration in smoking mothers is associated with impaired fetal growth

G. Lindmark, P. Bergsjø, B. Zarén, 1997, Acta obstetricia et gynecologica Scandinavica.

Prediction of fetal growth based on maternal serum concentrations of human chorionic gonadotropin, human placental lactogen and estriol.

H. Hoffman, L. Bakketeig, T. Markestad, 1997, Acta obstetricia et gynecologica Scandinavica. Supplement.

Validity of non‐invasive assessment of anaemia in pregnancy

K. Klepp, P. Bergsjø, S. Hinderaker, 2008, Tropical medicine & international health : TM & IH.

Suboptimal care and perinatal mortality in ten European regions: methodology and evaluation of an international audit.

J. Langhoff‐Roos, J. Mackenbach, L. Bakketeig, 2003, The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.

What is the evidence for the role of antenatal care strategies in the reduction of maternal mortality and morbidity?

P. Bergsjø, 2003 .

Haemoglobin and serum ferritin in pregnancy--correlation with smoking and body mass index.

L. Bakketeig, K. Haram, G. Jacobsen, 2005, European journal of obstetrics, gynecology, and reproductive biology.

What is a retrospective study?

P. Bergsjø, 1983, American journal of obstetrics and gynecology.

The occurrence of placental abruption in Norway 1967‐1991

L. Irgens, S. Rasmussen, P. Bergsjø, 1996, Acta obstetricia et gynecologica Scandinavica.

Monitoring data and safety in the WHO Antenatal Care Trial.

A. Morabia, P. Bergsjø, G. Bréart, 1998, Paediatric and perinatal epidemiology.

Oxygen tension in cancer of the cervix following administration of vasodilator drugs during oxygen inhalation

P. Kolstad, P. Bergsjø, O. J. Christensen, 1967, Cancer.

Maternal deaths in developing countries: A preventable tragedy

G. Kvåle, P. Bergsjø, S. Hinderaker, 2009 .

Smoking, hemoglobin levels, and birth weights in normal pregnancies.

S. Nilsen, P. Bergsjø, H. C. Kim, 1984, American journal of obstetrics and gynecology.

Classification And Audit Of Perinatal Deaths: The Icelandic And Other Examples

P. Bergsjø, 1989, Acta obstetricia et gynecologica Scandinavica.

Maternal Hemoglobin Concentration is Closely Related to Birth Weight in Normal Pregnancies

S. Nilsen, P. Bergsjø, N. Sagen, 1984, Acta obstetricia et gynecologica Scandinavica.

Preliminary Results From The Collaborative Alabama And Scandinavian Study Of Successive Small‐For‐Gestational Age Births: Report From a Symposium In Trondheim 9th June 1988

R. O. Davis, H. Hoffman, G. Cutter, 1989, Acta obstetricia et gynecologica Scandinavica.

Changes in Frequency and Indications for Cesarean Section in Norway 1967–1984

R. Skjaerven, P. Bergsjø, I. Borthen, 1989, Acta obstetricia et gynecologica Scandinavica.

Maternal Mortality Revisited

P. Bergsjø, 1989, Acta obstetricia et gynecologica Scandinavica.

Treatment of ectopic pregnancy by local injection of hypertonic glucose: A randomized trial comparing administration guided by transvaginal ultrasound or laparoscopy

P. Bergsjø, J. Tjugum, K. Hordnes, 1995, Acta obstetricia et gynecologica Scandinavica.

Suspected big baby: a difficult clinical problem in obstetrics

K. Haram, P. Bergsjø, J. Pirhonen, 2002, Acta obstetricia et gynecologica Scandinavica.

Radiation sensitivity of intraepithelial carcinoma of the cervix.

P. Bergsjø, J. Evans, 1971, American journal of obstetrics and gynecology.

Cesarean section delivery in the 1980s: international comparison by indication.

S. Cnattingius, A. Daltveit, L. Irgens, 1994, American journal of obstetrics and gynecology.

The epidemiology of syphilis in pregnancy

G. Piaggio, A. Pinol, P. Lumbiganon, 2002, International journal of STD & AIDS.

Duration Of Human Singleton Pregnancy: A Population‐based Study

H. Hoffman, D. W. Denman, P. Bergsjø, 1990, Acta obstetricia et gynecologica Scandinavica.

Disappearance of human chorionic gonadotropin after cesarean section with regard to fetal sex

P. Bergsjø, O. Myking, J. A. Steier, 2002, Acta obstetricia et gynecologica Scandinavica.

Preeclampsia, gestational hypertension and intrauterine growth restriction, related or independent conditions?

D. Wojdyla, P. Lumbiganon, L. Bakketeig, 2006, American journal of obstetrics and gynecology.

Human chorionic gonadotropin in maternal serum in relation to fetal gender and utero‐placental blood flow

P. Bergsjø, O. Myking, J. A. Steier, 2004, Acta obstetricia et gynecologica Scandinavica.

Correlation between fetal sex and human chorionic gonadotropin in peripheralmaternal blood and amniotic fluid in second and third trimester normal pregnancies

P. Bergsjø, O. Myking, J. A. Steier, 1999, Acta obstetricia et gynecologica Scandinavica.

International Collaborative Effort (ICE) On Birth Weight, Plurality, Perinatal, And Infant Mortality

B. Mccarthy, P. Bergsjø, S. Cole, 1989, Acta obstetricia et gynecologica Scandinavica.

Aggressive cervical cerclage.

P. Bergsjø, 1984, American journal of obstetrics and gynecology.

WHO antenatal care randomised trial for the evaluation of a new model of routine antenatal care

Allan Donner, José Villar, Julia Fox-Rushby, 2001, The Lancet.

Repeat Ectopic Pregnancy: A Twenty‐year Hospital Survey

P. Bergsjø, M. Ulstein, R. Sandvei, 1987 .

Adenocarcinoma Cervicis Uteri: a Clinical Study

P. Bergsjø, 1963, Acta obstetricia et gynecologica Scandinavica.

WHO antenatal care randomized trial: Manual for the implementation of the new model.

J. Villar, P. Bergsjø, 2002 .

Randomised comparison of early versus late induction of labour in post-term pregnancy.

P. Bergsjø, T. Eikeland, K. Augensen, 1987, British medical journal.

The practice of antenatal care: comparing four study sites in different parts of the world participating in the WHO Antenatal Care Randomised Controlled Trial.

G. Piaggio, A. Pinol, P. Lumbiganon, 1998, Paediatric and perinatal epidemiology.

Maternal mortality in northern rural Tanzania: assessing the completeness of various information sources

R. T. Lie, G. Kvåle, P. Bergsjø, 2002, Acta obstetricia et gynecologica Scandinavica.

Risk factors for maternal death in the highlands of rural northern Tanzania: a case-control study

R. T. Lie, G. Kvåle, P. Bergsjø, 2008, BMC public health.

Duration of Labour with Spontaneous Onset

L. Bakketeig, P. Bergsjø, S. N. Eikhom, 1979, Acta obstetricia et gynecologica Scandinavica.

Determinants for High Maternal Mortality in Multiethnic Populations in Western China

P. Bergsjø, B. Kumar, Oyvind Nass, 2009, Health care for women international.

Causes and characteristics of maternal deaths in rural northern Tanzania

R. T. Lie, G. Kvåle, P. Bergsjø, 2002, Acta obstetricia et gynecologica Scandinavica.

Acta fifty years ago: Excerpts from articles on abortion, women's fertile period and how the estrogenic hormones reflect the endometrial cycle

P. Bergsjø, 1992, Acta Obstetricia et Gynecologica Scandinavica.

[Determination of gestational age by ultrasound].

P. Bergsjø, C. Brodtkorb, 1971, Nordisk medicin.

Acta fifty years ago

P. Bergsjø, 1992, Acta obstetricia et gynecologica Scandinavica.

Acta sixty years ago: On abortions in Oslo, fistulas in Helsinki, elderly primiparas in Stockholm, and more

P. Bergsjø, 1991, Acta obstetricia et gynecologica Scandinavica.

Acta Sixty Years Ago: Evaluation of Radical Treatment of Abortion Peritonitis

P. Bergsjø, 1990, Acta obstetricia et gynecologica Scandinavica.

Low HIV‐seroprevalence in pregnant women in a rural area in Tanzania

P. Bergsjø, S. Hinderaker, C. Krüger, 2001, Acta obstetricia et gynecologica Scandinavica.

Oral contraceptives and low antithrombin-III concentration.

P. Bergsjø, U. Abildgaard, M. Fagerhol, 1970 .

Comparison Between Quinestrol and Diethylstilbestrol for the Inhibition of Lactation

P. Bergsjø, C. Brodtkorb, 1974, Acta Obstetricia et Gynecologica Scandinavica.

FOETAL BRADYCARDIA AFTER PARACERVICAL BLOCK ASSESSED BY CONTINUOUS ECG

P. Bergsjø, H. Jenssen, 1970, Acta anaesthesiologica Scandinavica. Supplementum.

A controlled comparison of the Pomeroy resection technique and laparoscopic electrocoagulation of the tubes.

P. Bergsjø, P. Børdahl, M. Solberg, 1984, Annales chirurgiae et gynaecologiae.

Heterogeneity of Perinatal Outcomes in the Preterm Delivery Syndrome

G. Piaggio, D. Wojdyla, P. Lumbiganon, 2004, Obstetrics and gynecology.

Hemoglobin concentration in pregnant women

P. Bergsjø, A. M. Seha, Naphtal Ole‐kin'ori, 1996, Acta obstetricia et gynecologica Scandinavica.

Scientific basis for the content of routine antenatal care I. Philosophy, recent studies, and power to eliminate or alleviate adverse maternal outcomes

José Villar, J. Villar, P. Bergsjø, 1997, Acta obstetricia et gynecologica Scandinavica.

Maternal Mortality in the Nordic countries 1970‐1979

P. Bergsjø, Kåre Augensen, Per Bergsjø, 1984, Acta obstetricia et gynecologica Scandinavica.

Suboptimal care and perinatal mortality in ten European regions: methodology and evaluation of an international audit

J. Langhoff‐Roos, J. Mackenbach, L. Bakketeig, 2003 .

Birth Weight and Perinatal Mortality: A Comparison of “Optimal” Birth Weight in Seven Western European Countries

G. Borsboom, J. Langhoff‐Roos, J. Mackenbach, 2002, Epidemiology.

Detection of preinvasive and early invasive cancer by 6-phosphogluconate dehydrogenase determinations.

P. Kolstad, P. Bergsjø, A. Pihl, 1967, American journal of obstetrics and gynecology.

Technical modifications of the 6-phosphogluconate dehydrogenase test of the vaginal fluid.

P. Kolstad, P. Bergsjø, A. Pihl, 1967, American journal of obstetrics and gynecology.

Acta sixty years ago

P. Bergsjø, 1991 .

Acta Sixty Years Ago: A Theory on the Dominant Follicle and Uniovulation

P. Bergsjø, 1990, Acta obstetricia et gynecologica Scandinavica.

Making Stillbirths Count, Making Numbers Talk-Issues in Data collection for Stillbirths

M. Merialdi, J. Lawn, P. Lumbiganon, 2010 .

Use of routinely collected data for perinatal surveillance

P. Bergsjø, 1985 .

Secular changes in early neonatal mortality in Norway, 1967-1981.

R. T. Lie, R. Skjaerven, L. Irgens, 1987, American journal of epidemiology.

Caesarean section among referred and self-referred birthing women: a cohort study from a tertiary hospital, northeastern Tanzania

J. Sundby, P. Bergsjø, S. Vangen, 2011, BMC pregnancy and childbirth.

Case-control analysis of post-term induction of labor.

L. Bakketeig, P. Bergsjø, S. N. Eikhom, 1982, Acta obstetricia et gynecologica Scandinavica.

Condoms in the age of AIDS

P. Bergsjø, 2002, Acta obstetricia et gynecologica Scandinavica.

Who is an author?

P. Bergsjø, 1992, Acta obstetricia et gynecologica Scandinavica.

Registration artifacts in international comparisons of infant mortality.

M. Kramer, S. Cnattingius, R. Platt, 2002, Paediatric and perinatal epidemiology.

Recent evolution within obstetrics Nordic experience since the 1970s, as evidenced by statistics

P. Bergsjø, 1997, Acta obstetricia et gynecologica Scandinavica.

[Do women die from pregnancy these days?].

P. Bergsjø, S. Vangen, 2003, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Dør kvinner av graviditet i dag

P. Bergsjø, Siri Vangen, 2003 .

Acta Fifty Years Ago

P. Bergsjø, 1990, Acta Obstetricia et Gynecologica Scandinavica.

Acta Fifty Years Ago: Excerpts from papers read at the meeting of Scandinavian gynecologists in Oslo, June 1939

P. Bergsjø, 1990 .

Interindividual Variation in Vaginal Examination Findings During Labor

K. S. Koss, P. Bergsjø, 1982, Acta obstetricia et gynecologica Scandinavica.

Breech births at term revisited: new contributions from Finland and Norway

P. Bergsjø, 2004, Acta obstetricia et gynecologica Scandinavica.

Radiation-induced early changes in size and vascularity of cervical carcinoma. A colpophotographic and clinical study.

P. Bergsjø, 1967, Acta radiologica: diagnosis.

Repeat ectopic pregnancy. A twenty-year hospital survey.

P. Bergsjø, M. Ulstein, R. Sandvei, 1988, Acta obstetricia et gynecologica Scandinavica.

Tubal Pregnancies in Women Using Progestagen‐Only Contraception

P. Bergsjø, Johan B. Aas, H. Langengen, 1974, Acta obstetricia et gynecologica Scandinavica.

From the Editor'sdesk A word of thanks

P. Bergsjø, 1991 .

Treatment method and dose distribution in radiotherapy of carcinoma of the cervix.

P. Bergsjø, P. Kristiansen, 1968, Acta radiologica: therapy, physics, biology.

Acta sixty years ago: Mainly on a non‐Scandinavian contribution

P. Bergsjø, 1993, Acta obstetricia et gynecologica Scandinavica.

Acta sixty years ago: Introducing 1932, with an account of the first issue

P. Bergsjø, 1992, Acta obstetricia et gynecologica Scandinavica.

[Etiologic factors in cervical cancer].

P. Bergsjø, 1966, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Clinical trial with atmospheric oxygen breathing during radiotherapy of cancer of the cervix.

P. Kolstad, P. Bergsjø, 1968, Scandinavian journal of clinical and laboratory investigation. Supplementum.

[Characterization of birth populations in 2 Norwegian counties, Akershus and Hordaland. A part of a study on smoking habits, alcohol drinking and drug utilization among pregnant women].

I. Matheson, P. Bergsjø, B. Nesheim, 1991, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Hernoconcentration in smoking mothers

G. Lindmark, P. Bergsjø, B. Zarén, 2007 .

The WHO new antenatal care model: the way forward

J. Villar, G. Carroli, P. Bergsjø, 2003 .

Womens' opinions on antenatal care in developing countries: results of a study in Cuba, Thailand, Saudi Arabia and Argentina

G. Lindmark, P. Lumbiganon, L. Bakketeig, 2003, BMC public health.

Observer Error in Ultrasonic Fetal Cephalometry

P. Bergsjø, L. Salamonsen, T. Bakke, 1975, Acta Obstetricia et Gynecologica Scandinavica.

Some Themes in This Issue

P. Bergsjø, 1991 .

[How do we determine the duration of pregnancy?].

P. Bergsjø, 1992, Tidsskrift for Den Norske Laegeforening.

[Routine ultrasonography in obstetric care].

P. Bergsjø, 1997, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Oral Contraceptive Use and Breast Cancer in Young Women. A Joint National Case-Control Study in Sweden and Norway

H. Adami, R. Bergström, T. Christoffersen, 1987 .

[What is an optimal number of Cesarean sections?].

P. Bergsjø, 1998, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Qualitative and quantitative research, Is there a gap, or only verbal disagreement?

P. Bergsjø, 1999, Acta obstetricia et gynecologica Scandinavica.

Comparison between nitrous oxide and methoxyflurane for obstetrical analgesia.

P. Bergsjø, E. Lindbaek, 1973, Acta Obstetricia et Gynecologica Scandinavica.

[Birth registration by partogram].

L. Bakketeig, T. Bjerkedal, P. Bergsjø, 1977, Tidsskrift for Den Norske Laegeforening.

Estimates of maternal mortality by the sisterhood method in rural northern Tanzania: a household sample and an antenatal clinic sample

R. T. Lie, G. Kvåle, P. Bergsjø, 2000, BJOG : an international journal of obstetrics and gynaecology.

Oral contraceptive use and breast cancer in young women

H. Adami, R. Bergström, T. Christoffersen, 1987 .

Oxygen tension of cervical carcinoma during the early phase of external irradiation. I. Measurements with a Clark micro electrode.

P. Bergsjø, J. Evans, 1968, Scandinavian journal of clinical and laboratory investigation. Supplementum.

Differences in the reported frequencies of some obstetrical interventions in Europe.

P. Bergsjø, E. Schmidt, D. Pusch, 1984, British journal of obstetrics and gynaecology.

Confessions of a book reviewer

P. Bergsjø, 1992 .

Maternal HIV status and pregnancy outcomes in northeastern Tanzania: a registry‐based study

R. T. Lie, A. Daltveit, P. Bergsjø, 2008, BJOG : an international journal of obstetrics and gynaecology.

Book Review. Investigating Reproductive Tract Infections and other Gynaecological Disorders

P. Bergsjø, 2004 .

Anemia in pregnancy in the highlands of Tanzania

R. T. Lie, G. Kvåle, P. Bergsjø, 2001, Acta obstetricia et gynecologica Scandinavica.

Oxyphenbutazone in Vaginal Operations for Genital Prolapse

P. Bergsjø, 1970, Acta obstetricia et gynecologica Scandinavica.

Oral Contraceptive Use and Breast Cancer in Young Women. A Joint National Case-Control Study in Sweden and Norway

H. Adami, R. Bergström, T. Christoffersen, 1987 .

A medical birth registry at Kilimanjaro Christian Medical Centre.

R. T. Lie, P. Bergsjø, E. Lie-Nielsen, 2007, East African Journal of Public Health.

African intermezzo

P. Bergsjø, 1993, Acta obstetricia et gynecologica Scandinavica.