Yeon-joo Lee, Mi-Na Kim, Yoo-Min Kim, Ji-Hee Sung, Suk-Joo Choi, Soo-young Oh, Cheong-Rae Roh, Jong-Hwa Kim

Obstet Gynecol Sci.2019;62(2):93-102.   Published online 2019 February 25     DOI: http://dx.doi.org/10.5468/ogs.2019.62.2.93