Kyoo Rok Han, Kee Joon Choi, Myung Yong Lee, Gi Byoung Nam, Joo Hee Zo, Hyo Soo Kim, Dae Won Sohn, Cheol Ho Kim, Byung Hee Oh, Myoung Mook Lee, Young Bae Park, Yun Shik Choi, Jung Don Seo, Young Woo Lee

Korean Circ J.1995;25(5):920-929.   Published online 1995 October 31     DOI: http://dx.doi.org/10.4070/kcj.1995.25.5.920