American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2016 > 215 > 5 > 583-587.e1
American Journal of Obstetrics and Gynecology > 2016 > 215 > 5 > 583-587.e1
American Journal of Obstetrics and Gynecology > 2016 > 215 > 5 > 583-587.e1
American Journal of Obstetrics and Gynecology > 2016 > 215 > 5 > 583-587.e1