American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2000 > 183 > 3 > 738-745
American Journal of Obstetrics and Gynecology > 2000 > 183 > 5 > 1103-1107
American Journal of Obstetrics and Gynecology > 2000 > 183 > 5 > 1124-1129
American Journal of Obstetrics and Gynecology > 2000 > 183 > 5 > 1130-1137
American Journal of Obstetrics and Gynecology > 2000 > 183 > 5 > 1108-1113