American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 148.e1-148.e14
American Journal of Obstetrics and Gynecology > 2017 > 216 > 2 > 101-109
American Journal of Obstetrics and Gynecology > 2017 > 216 > 4 > 364.e1-364.e12
American Journal of Obstetrics and Gynecology > 2017 > 216 > 5 > 443-450