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) > S803-S817
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2(S) > S745-S761
American Journal of Obstetrics and Gynecology > 2018 > 218 > 2(S) > S725-S737
American Journal of Obstetrics and Gynecology > 2018 > 218 > 4 > 401.e1-401.e11