Yong Wook Kim, Jong Min Lee, Gwang Jun Kim, Hayng Mi Lee, Suk Young Kim, Jee Sung Lee, Sun Lee, Young Jin Kim, Young Soo Son, Seung Hun Choi, Chan Yong Park, Soon Pyo Lee, Byung Chul Whang, Yu Duk Choi, Ji Hong Park, Sang Ik Nam, Bong Ho Go, Sang Hee Kim, Joo Hyun Kim
Korean J Obstet Gynecol. 2000;43(4):597-603. Published online January 1, 2001