American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 109-114
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 210-214
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 1-7
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 102-108
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 196-209
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 78-85
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 50-56
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 13-18
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 57-65
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 19-26
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 91-93
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 37-41
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 95-101
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 27-30
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 8-12
American Journal of Obstetrics and Gynecology > 1997 > 177 > 1 > 94