American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 71.e1-71.e6
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 79.e1-79.e7
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 3-18
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 81.e1-81.e9
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 48.e1-48.e8
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 66.e1-66.e6
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 58.e1-58.e7
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 39-41
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 42.e1-42.e18
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 62.e1-62.e8
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 54.e1-54.e5
American Journal of Obstetrics and Gynecology > 2013 > 208 > 1 > 77.e1-77.e6