International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 1998 > 63 > Supplement 1 > S13-S18
International Journal of Gynecology and Obstetrics > 1998 > 63 > Supplement 1 > S33-S42
International Journal of Gynecology and Obstetrics > 1998 > 63 > Supplement 1 > S13-S18
International Journal of Gynecology and Obstetrics > 1998 > 63 > Supplement 1 > S33-S42