Gyo Seung Hwang, Young Hoon Kim, Hyun Soo Lee, Hui Nam Pak, Soo Jin Lee, Do Sun Lim, Hong Seog Seo, Wan Joo Shim, Dong Joo Oh, Young Moo Ro, Man Ho Lee

Korean Circ J.2000;30(4):448-456.   Published online 2000 April 30     DOI: http://dx.doi.org/10.4070/kcj.2000.30.4.448