American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2018 > 218 > 4 > 453.e1-453.e7
American Journal of Obstetrics and Gynecology > 2018 > 218 > 5 > 490-499
American Journal of Obstetrics and Gynecology > 2018 > 218 > 4 > 453.e1-453.e7
American Journal of Obstetrics and Gynecology > 2018 > 218 > 5 > 490-499