American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2 > 249.e1-249.e12
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2(S) > S869-S879
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2 > 249.e1-249.e12
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2(S) > S869-S879