Hyuk Jae Chang, Seokmin Kang, Se Joong Rim, Donghoon Choi, Choong Won Goh, Jong Youn Kim, Jong Won Ha, Yangsoo Jang, Namsik Chung, Won Heum Shim, Seung Yun Cho, Jae Kyung Roh, Sae Kyu Kim, Sang Ho Cho

Korean Circ J.1999;29(8):828-832.   Published online 1999 August 31     DOI: http://dx.doi.org/10.4070/kcj.1999.29.8.828