International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2003 > 81 > 1 > 103-108
International Journal of Gynecology and Obstetrics > 2013 > 121 > Supplement 1 > S29-S34
International Journal of Gynecology and Obstetrics > 2014 > 125 > 2 > 107-110