International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2006 > 94 > 2 > 114-118
International Journal of Gynecology and Obstetrics > 2011 > 115 > 3 > 256-259
International Journal of Gynecology and Obstetrics > 2006 > 94 > 2 > 114-118
International Journal of Gynecology and Obstetrics > 2011 > 115 > 3 > 256-259