Eun Jung Jung, Do Hwa Im, Yong Hee Park, Jung Mi Byun, Young Nam Kim, Dae Hoon Jeong, Moon Su Sung, Ki Tae Kim, Hyo Jung An, Soo Jin Jung, Kyung Bok Lee
Obstet Gynecol Sci. 2017;60(4):378-382. Published online July 14, 2017
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Korean J Obstet Gynecol. 2001;44(4):655-662. Published online April 1, 2001