American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 44.e1-44.e4
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 21-30
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 63.e1-63.e8
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 65.e1-65.e4
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 46.e1-46.e11
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 89.e1-89.e5
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 60.e1-60.e8
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 86.e1-86.e9
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > e12-e13
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 40.e1-40.e7
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 49.e1-49.e10
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 3-9
American Journal of Obstetrics and Gynecology > 2012 > 206 > 1 > 92.e1-92.e6