Dajeong Seo, Hyojin Suh, Jun Kyu Lee, Dong Kee Jang, Ha Yan Kwon, Chae Hyeong Lee, Sang Ho Yoon, Ju-Won Roh, Hyun Soo Park

Obstet Gynecol Sci.2017;60(5):485-489.   Published online 2017 September 18     DOI: http://dx.doi.org/10.5468/ogs.2017.60.5.485