Myung A. Kim, Eun Mi Koh, Suk Keun Hong, Dae Won Sohn, Byung Hee Oh, Myoung Mook Lee, Myung Chul Lee, Young Bae Park, Yun Shik Choi, Jung Don Seo, Young Woo Lee, Chang-Soon Koh

Korean Circ J.1990;20(1):62-67.   Published online 1990 March 31     DOI: http://dx.doi.org/10.4070/kcj.1990.20.1.62