International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2001 > 73 > 1 > 41-46
International Journal of Gynecology and Obstetrics > 2001 > 75 > 3 > 221-228
International Journal of Gynecology and Obstetrics > 2001 > 73 > 1 > 41-46
International Journal of Gynecology and Obstetrics > 2001 > 75 > 3 > 221-228