Byoung Eun Park, Hyun Seung Kim, Hyuck Moon Kwon, Dongsoo Kim, Bum Kee Hong, Daegeun Sim, Ki Joong Kim, Hakjin Hwang, Youn Hyoung Cho, Younghoon Ryu

Korean Circ J.2001;31(12):1336-1339.   Published online 2001 December 31     DOI: http://dx.doi.org/10.4070/kcj.2001.31.12.1336