International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2006 > 94 > 3 > 310-316
International Journal of Gynecology and Obstetrics > 2006 > 95 > 2 > 209-220
International Journal of Gynecology and Obstetrics > 2006 > 95 > 2 > 221-226