Kyung Kuk Hwang, Hyo Soo Kim, Jung Uk Seo, In Ho Chae, Chul Ho Kim, Dae Won Sohn, Byung Hee Oh, Myoung Mook Lee, Young Bae Park, Yun Shik Choi, Young Woo Lee

Korean Circ J.2001;31(7):681-700.   Published online 2001 July 31     DOI: http://dx.doi.org/10.4070/kcj.2001.31.7.681