Young Keun On, Min Jong Kang, Seok Yeon Kim, Hae Young Lee, In Ho Chae, Cheol Ho Kim, Dae Won Sohn, Byung Hee Oh, Myoung Mook Lee, Young Bae Park, Yun Shik Choi

Korean Circ J.2000;30(9):1149-1155.   Published online 2000 September 30     DOI: http://dx.doi.org/10.4070/kcj.2000.30.9.1149