American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 514.e1-514.e9
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 537.e1-537.e11
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 568.e1-568.e6
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 517.e1-517.e6
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 508-513
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 541.e1-541.e6
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 522.e1-522.e4
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 606.e1-606.e5
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 564.e1-564.e7
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 591.e1-591.e7
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 603.e1-603.e5
American Journal of Obstetrics and Gynecology > 2007 > 196 > 6 > 549.e1-549.e7