American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2017 > 216 > 1 > 62.e1-62.e14
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 157.e1-157.e7
American Journal of Obstetrics and Gynecology > 2017 > 216 > 1 > 62.e1-62.e14
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 157.e1-157.e7