Gwang Jun Kim, Yong Yook Kim, Suk Young Kim, Chan Yong Park, Hyang Mi Lee, Byung Chul Whang, Sun Lee, Young Jin Kim, Seung Hun Choi, Soon Pyo Lee, Jong Min Lee, Jee Sung Lee, Seong Hee Yang, Yu Duk Choi
Korean J Obstet Gynecol. 2000;43(6):980-986. Published online January 1, 2001