American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1996 > 174 > 2 > 694-699
American Journal of Obstetrics and Gynecology > 1996 > 174 > 3 > 937-942
American Journal of Obstetrics and Gynecology > 1996 > 174 > 5 > 1487-1493
American Journal of Obstetrics and Gynecology > 1996 > 175 > 1 > 139-144
American Journal of Obstetrics and Gynecology > 1996 > 175 > 4 Part 2 > 1120-1128
American Journal of Obstetrics and Gynecology > 1996 > 175 > 4 Part 2 > 1091-1098
American Journal of Obstetrics and Gynecology > 1996 > 175 > 6 > 1586-1593