Jae Hoon Lee, Hyun-Soo Kim, Nam Hoon Cho, Jung-Yun Lee, Sunghoon Kim, Sang Wun Kim, Young Tae Kim, Eun Ji Nam

Obstet Gynecol Sci.2016;59(2):157-162.   Published online 2016 March 16     DOI: http://dx.doi.org/10.5468/ogs.2016.59.2.157