Ho Joong Youn, Sang Hyun Lim, Chul Soo Park, Jong Min Lee, Yong Seog Oh, Eun Ju Cho, Hae Ok Jung, Hui Kyung Jeon, Wook Sung Chung, Jae Hyung Kim, Kyu Bo Choi, Soon Jo Hong

Korean Circ J.2005;35(12):921-927.   Published online 2005 December 31     DOI: http://dx.doi.org/10.4070/kcj.2005.35.12.921