Suk Keun Hong, Dong Ju Choi, In Ho Chai, Gi Byung Nam, Duk Kyung Kim, Dae Won Sohn, Myoung Mook Lee, Young Bae Park, Yun Shick Choi, Jung Don Seo, Young Woo Lee

Korean Circ J.1992;22(1):31-41.   Published online 1992 February 28     DOI: http://dx.doi.org/10.4070/kcj.1992.22.1.31