Sang Bum Kang, Seung Won Jin, Eun Kyeong Lee, Yong Hyun Park, Yong Ho Choi, Yong Joo Kim, Jun Chul Park, Jae Hyung Kim, Soon Jo Hong, Kyu Bo Choi, Jong Bum Kweon, Yong Soon Won, Kuhn Park, Eun Hee Lee

Korean Circ J.2000;30(4):492-496.   Published online 2000 April 30     DOI: http://dx.doi.org/10.4070/kcj.2000.30.4.492