American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 55.e1-55.e4
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 86.e1-86.e5
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 62.e1-62.e5
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 87.e1-87.e7
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 33.e1-33.e5
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 48.e1-48.e8
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 37.e1-37.e8
American Journal of Obstetrics and Gynecology > 2007 > 196 > 1 > 16-28