Byung Chun Chung, Jae Kean Ryu, Yong Keun Cho, Dong Hoon Kwack, Ho Sang Bae, Yong Hak Bae, Kyung Ah Chun, Shung Chull Chae, Jae Eun Jun, Wee Hyun Park, Jae Tae Lee

Korean Circ J.1999;29(5):459-464.   Published online 1999 May 31     DOI: http://dx.doi.org/10.4070/kcj.1999.29.5.459