American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 168.e1-168.e9
American Journal of Obstetrics and Gynecology > 2017 > 216 > 4 > 340-351
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 168.e1-168.e9
American Journal of Obstetrics and Gynecology > 2017 > 216 > 4 > 340-351