International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 57-60
International Journal of Gynecology and Obstetrics > 2012 > 116 > 2 > 105-108
International Journal of Gynecology and Obstetrics > 2012 > 116 > 3 > 185-191
International Journal of Gynecology and Obstetrics > 2012 > 119 > 2 > 154-158