Rtment of Obstetrics and Gynecology, Seoul National University College of Medicine
Rtment of Obstetrics and Gynecology, Seoul National University College of Medicine, 101 Daehakro, Jongnogu, Seoul 110744, Korea Tel: 82220722822, Fax: 8227623599, E mail: yssong@snu.ac.krCopyright 2013 Korean Society of Cancer Prevention…