American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2018 > 218 > 1 > 119.e1-119.e8
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2 > 222.e1-222.e19
American Journal of Obstetrics and Gynecology > 2018 > 218 > 1 > 119.e1-119.e8
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2 > 222.e1-222.e19