Eun Jung Jung, Moon Hyeong Cho, Da Hyun Kim, Jung Mi Byun, Young Nam Kim, Dae Hoon Jeong, Moon Su Sung, Ki Tae Kim, Kyung Bok Lee

Obstet Gynecol Sci.2017;60(4):374-377.   Published online 2017 July 14     DOI: http://dx.doi.org/10.5468/ogs.2017.60.4.374