Chae Chun Rhim, Sung Rae Roh, Dong Joo Kim, Min Kyung Song, Jae Sung Lee, Ha Kyong Joo, Youn Hee Park, Ki Sung Ryu, Gu Taek Han, Jong Kun Lee, Joon Mo Lee, Sung Eun Namkoong
Korean J Obstet Gynecol. 2001;44(8):1558-1561. Published online August 1, 2001