International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 136-139
International Journal of Gynecology and Obstetrics > 2013 > 121 > 3 > 214-217
International Journal of Gynecology & Obstetrics > 2016 > 133 > 1 > 32-36