Sun Soo Park, Young Jin Choi, Seung Woo Park, Hyo Soo 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.1993;23(6):939-945.   Published online 1993 December 31     DOI: http://dx.doi.org/10.4070/kcj.1993.23.6.939