International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2005 > 89 > 1 > 39-44
International Journal of Gynecology and Obstetrics > 2005 > 89 > 1 > 26-30
International Journal of Gynecology and Obstetrics > 2005 > 89 > 1 > 7-13
International Journal of Gynecology and Obstetrics > 2005 > 89 > 1 > 14-18