International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2000 > 69 > 1 > 27-35
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 43-46
International Journal of Gynecology and Obstetrics > 2013 > 121 > 1 > 45-48
International Journal of Gynecology and Obstetrics > 2015 > 131 > 2 > 152-155