Kee Joon Choi, Gi Byoung Nam, Duk Hyun Kang, Myeong Ki Hong, Jae Kwan Song, Jae Joong Kim, Seong Wook Park, Seung Jung Park, Chong Hun Park, You Ho Kim

Korean Circ J.2000;30(4):468-474.   Published online 2000 April 30     DOI: http://dx.doi.org/10.4070/kcj.2000.30.4.468