American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 568-573
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 354-357
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 342-346
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 391-394
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 397-400
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 312-317
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 519-525
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 428-434
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 435-437