1. Effects of HLA antibodies on pregnancy;Balash;Obstet. Gynecol.,1981
2. The medical birth registry of Norway;Bjerkedal,1981
3. The association of maternal lymphocytotoxic antibodies with obstetric complications;Harris;Obstet. Gynecol.,1976
4. Birth weight and gestation time in relation to maternal age, parity and infant survival;Karn;Ann.. Eugen.,1951
5. Observations on all births (23, 970) in Birmingham, 1947. II. Birth Weight;McKeown;Br. J. Soc. Med.,1951