Geum Joon Cho, Eun Sung Lee, Hye Mi Jin, Ji Hye Lee, Yeun Sun Kim, Min-Jeong Oh, Hyun-Joo Seol, Soon-Cheol Hong, Hai-Joong Kim

Obstet Gynecol Sci.2015;58(5):333-339.   Published online 2015 September 22     DOI: http://dx.doi.org/10.5468/ogs.2015.58.5.333