International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 1997 > 57 > 1 > 39-42
International Journal of Gynecology and Obstetrics > 2008 > 103 > 2 > 158-161
International Journal of Gynecology and Obstetrics > 2013 > 123 > 1 > 50-53
International Journal of Gynecology and Obstetrics > 2015 > 129 > 2 > 152-155
International Journal of Gynecology and Obstetrics > 2015 > 131 > Supplement 1 > S23-S27
International Journal of Gynecology and Obstetrics > 2015 > 131 > 1 > 54-58