American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 280-286
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 264-269
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 355-359
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 242-246
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 228-233
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 326-329
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 300-304
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 247-254
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 381-385
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 330-335
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 402-408
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 259-263
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 287-293
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 394-396