American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 360-364
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 365-373
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 341-345
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 294-299
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 374-380
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 305-313
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 397-401
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 346-354
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 212-217
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 218-222
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 386-393
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 409-414
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 270-279
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 203-211
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 255-258
American Journal of Obstetrics and Gynecology > 1998 > 178 > 2 > 314-319