Young Keun On, Se Il Oh, Sang Hyun Kim, Young Kwon Kim, Hyo Soo Kim, Cheol Ho Kim, Dae Won Sohn, Byung Hee Oh, Myoung Mook Lee, Young Bae Park, Yun Shik Choi, Jung Don Seo, Young Woo Lee

Korean Circ J.1995;25(2):510-519.   Published online 1995 April 30     DOI: http://dx.doi.org/10.4070/kcj.1995.25.2.510