International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2001 > 73 > 2 > 101-107
International Journal of Gynecology and Obstetrics > 2001 > 74 > 2 > 133-138
International Journal of Gynecology and Obstetrics > 2001 > 73 > 2 > 101-107
International Journal of Gynecology and Obstetrics > 2001 > 74 > 2 > 133-138