International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2000 > 70 > 1 > 59-67
International Journal of Gynecology and Obstetrics > 2000 > 70 > 1 > 191-198
International Journal of Gynecology and Obstetrics > 2000 > 70 > 1 > 59-67
International Journal of Gynecology and Obstetrics > 2000 > 70 > 1 > 191-198