American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 29.e1-29.e19
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 27.e1-27.e7
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 60.e1-60.e5
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 49.e1-49.e7
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 17-19
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 53.e1-53.e9
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 62.e1-62.e9
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 24.e1-24.e12
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 44.e1-44.e6
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 1-10
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 20.e1-20.e5
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 56.e1-56.e6
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 40.e1-40.e17
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 58.e1-58.e8
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 34.e1-34.e7
American Journal of Obstetrics and Gynecology > 2013 > 209 > 1 > 11-16