Donghoon Choi, Won-Heum Shim, Choong Won Goh, Bumkee Hong, Seung-Yun Cho, Dong-Soo Kim, Hyuckmoon Kwon, Yangsoo Jang, Taeyong Kim, Namho Lee

Korean Circ J.1998;28(4):553-559.   Published online 1998 April 30     DOI: http://dx.doi.org/10.4070/kcj.1998.28.4.553