by Habib, NA, Daltveit, AK, Bergsjø, P, Shao, J, Oneko, O, Lie, RT
Published in BJOG : an international journal of obstetrics and gynaecology (01.04.2008)

by Villar, José, Ba'aqeel, Hassan, Piaggio, Gilda, Lumbiganon, Pisake, Belizán, José Miguel, Farnot, Ubaldo, Al-Mazrou, Yagob, Carroli, Guillermo, Pinol, Alain, Donner, Allan, Langer, Ana, Nigenda, Gustavo, Mugford, Miranda, Fox-Rushby, Julia, Hutton, Guy, Bergsjø, Per, Bakketeig, Leiv, Berendes, Heinz
Published in The Lancet (British edition) (19.05.2001)

by HINDERAKER, S. G, OLSEN, B. E, LIE, R. T, BERGSJØ, P. B, GASHEKA, P, BONDEVIK, G. T, ULVIK, R, KVALE, G
Published in European journal of clinical nutrition (01.03.2002)

by Notzon, Francis C., Cnattingius, Sven, Bergsjø, Per, Cole, Susan, Taffel, Selma, Irgens, Lorentz, Daltveit, Anne Kjersti
Published in American journal of obstetrics and gynecology (01.02.1994)

by Piaggio, Gilda, Carroli, Guillermo, Villar, José, Pinol, Alain, Bakketeig, Leiv, Lumbiganon, Pisake, Bergsjø, Per, Al-Mazrou, Yagob, Ba'aqeel, Hassan, Miguel Belizán, José, Farnot, Ubaldo, Berendes, Heinz
Published in Statistics in medicine (15.02.2001)

by Richardus, J H, Graafmans, W C, Bergsjø, P, Lloyd, D J, Bakketeig, L S, Bannon, E M, Borkent-Polet, M, Davidson, L L, Defoort, P, Leitão, A Esparteiro, Langhoff-Roos, J, Garcia, A Moral, Papantoniou, N E, Wennergren, M, Amelink-Verburg, M P, Verloove-Vanhorick, S P, Mackenbach, J P
Published in The journal of maternal-fetal & neonatal medicine (2003)

by STEIER, J. A, MYKING, O. L, BERGSJO, P. B
Published in Acta obstetricia et gynecologica Scandinavica (01.05.1999)

by Habib, N Abu, Lie, R T, Oneko, O, Shao, J, Bergsjø, P, Daltveit, A K
Published in Journal of epidemiology and community health (1979) (01.11.2008)

by Hordnes, K, Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (01.08.1993)

by Piaggio, G., Ba'aqeel, H., Bergsjø, P., Carroli, G., Farnot, U., Lumbiganon, P., Pinol, A., Villar, J.
Published in Paediatric and perinatal epidemiology (01.10.1998)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (01.05.1995)

by Bergsjø, P
Published in Tidsskrift for den Norske Lægeforening (20.05.2000)

by Bergsjø, P
Published in Tidsskrift for den Norske Lægeforening (30.03.2000)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (1990)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (1990)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (01.10.1994)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (01.04.1994)

by Bergsjø, P., Bréart, G., Morabia, A.
Published in Paediatric and perinatal epidemiology (01.10.1998)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (01.11.1993)

by Bergsjø, P
Published in Acta obstetricia et gynecologica Scandinavica (1989)