American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1996 > 174 > 2 > 583-588
American Journal of Obstetrics and Gynecology > 1996 > 174 > 2 > 730-736
American Journal of Obstetrics and Gynecology > 1996 > 174 > 3 > 1008-1013
American Journal of Obstetrics and Gynecology > 1996 > 174 > 3 > 1043-1049
American Journal of Obstetrics and Gynecology > 1996 > 174 > 3 > 1056-1060
American Journal of Obstetrics and Gynecology > 1996 > 174 > 5 > 1631-1636