International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2009 > 104 > 1 > 77-79
International Journal of Gynecology and Obstetrics > 2011 > 114 > 2 > 111-115
International Journal of Gynecology and Obstetrics > 2009 > 104 > 1 > 77-79
International Journal of Gynecology and Obstetrics > 2011 > 114 > 2 > 111-115