American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 170.e1-170.e8
American Journal of Obstetrics and Gynecology > 2017 > 217 > 1 > 67.e1-67.e21
American Journal of Obstetrics and Gynecology > 2017 > 217 > 5 > 585.e1-585.e5
American Journal of Obstetrics and Gynecology > 2017 > 217 > 6 > 682.e1-682.e13
American Journal of Obstetrics and Gynecology > 2017 > 217 > 6 > 685.e1-685.e5
American Journal of Obstetrics and Gynecology > 2017 > 217 > 6 > 684.e1-684.e17