Jong Min Song, Sang Geun Bae, Hyo Soo Kim, Dong Soo Lee, Dae Won Sohn, Byung Hee Oh, Myoung Mook Lee, Young Bae Park, Yun Shik Choi, Jung Don Seo, Young Woo Lee

Korean Circ J.1993;23(5):707-713.   Published online 1993 October 31     DOI: http://dx.doi.org/10.4070/kcj.1993.23.5.707