American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 163.e1-163.e5
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > e10-e11
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 151.e1-151.e9
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 144.e1-144.e6
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 167.e1-167.e7
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 184.e1-184.e7
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > e1-e5
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 193.e1-193.e5
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 130-135
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 172.e1-172.e10
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 165.e1-165.e6
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 158.e1-158.e6
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 200.e1-200.e7
American Journal of Obstetrics and Gynecology > 2009 > 200 > 2 > 209.e1-209.e27