Jang Hyun Cho, Myung Ho Jeong, Shin Bae Joo, Nam Ho Kim, Kun Hyung Kim, Seung Uk Lee, Sang Hyun Lee, Kyung Tae Kang, Hyung Wook Park, Young Keun Ahn, Sung Taek Jung, Jeong Gwan Cho, Jong Chun Park, Jung Chaee Kang

Korean Circ J.2000;30(1):66-71.   Published online 2000 January 31     DOI: http://dx.doi.org/10.4070/kcj.2000.30.1.66