Yua Jeong, Jin Hwa Hong, Jong Ha Hwang, Seung Hun Song, Kyeong Ju Lee, Jun Young Hur, Min Jeong Oh, Yong Kyun Park, Soo Yong Chough, Chul Hwan Kim, Yang Shuk Chae, Ho Suk Saw
Korean J Obstet Gynecol. 2003;46(2):450-453. Published online February 1, 2003