Jae Sup Eum, Tae Joon Cha, Ki Bum Kwon, Chan Ock Kim, Seong Hoon Shin, Su Seung Kang, Ik Soo Jeon, Min Dae Kim, Seong Jae Joo, Jae Woo Lee

Korean Circ J.2001;31(8):788-793.   Published online 2001 August 31     DOI: http://dx.doi.org/10.4070/kcj.2001.31.8.788