Authors: Krause, TG Christens, P Wohlfahrt, J Lei, L Westergaard, T Norgaard-Pedersen, B Melbye, M

Citation: Tg. Krause et al., Second-trimester maternal serum alpha-fetoprotein and risk of adverse pregnancy outcome, OBSTET GYN, 97(2), 2001, pp. 277-282

Authors: Valeur-Jensen, AK Pedersen, CB Westergaard, T Jensen, IP Lebech, M Andersen, PK Aaby, P Pedersen, BN Melbye, M

Citation: Ak. Valeur-jensen et al., Risk factors for parvovirus B19 infection in pregnancy, J AM MED A, 281(12), 1999, pp. 1099-1105

Authors: Mortensen, PB Pedersen, CB Westergaard, T Wohlfahrt, J Ewald, H Mors, O Andersen, PK Melbye, M

Citation: Pb. Mortensen et al., Effects of family history and place and season of birth on the risk of schizophrenia, N ENG J MED, 340(8), 1999, pp. 603-608

Authors: Melbye, M Wohlfahrt, J Andersen, AMN Westergaard, T Andersen, PK

Citation: M. Melbye et al., Preterm delivery and risk of breast cancer, BR J CANC, 80(3-4), 1999, pp. 609-613

Authors: Westergaard, T Mortensen, PB Pedersen, CB Wohlfahrt, J Melbye, M

Citation: T. Westergaard et al., Exposure to prenatal and childhood infections and the risk of schizophrenia - Suggestions from a study of sibship characteristics and influenza prevalence, ARCH G PSYC, 56(11), 1999, pp. 993-998

Authors: Biggar, RJ Wohlfahrt, J Westergaard, T Melbye, M

Citation: Rj. Biggar et al., Sex ratios, family size, and birth order, AM J EPIDEM, 150(9), 1999, pp. 957-962