Jin-Ho Choi, Hyo-Soo Kim, Sang-Chol Lee, Hyun-Seok Choi, Seong-Choon Choe, Byung-Hee Oh, Myoung-Mook Lee, Young-Bae Park, Yun-Shik Choi, Jung-Don Seo

Korean Circ J.1996;26(6):1107-1114.   Published online 1996 December 31     DOI: http://dx.doi.org/10.4070/kcj.1996.26.6.1107