Kyung Hwan Kim, Jong Hyun Kim, Bo Jeong Seo, Bok Keun Lee, Cheol Ho Jeong, Joon Sang Lee, Jong Sik Kang

Korean Circ J.1992;22(6):1041-1049.   Published online 1992 December 31     DOI: http://dx.doi.org/10.4070/kcj.1992.22.6.1041