Jeong Kyung Kim, Woo Gyu Kim, Seong Hee Jeon, Young Youp Koh, Dal Soo Lim, Jae Choon Ryu, Suk Keun Hong, Hweung Kon Hwang, Seung Rok Hong, Min Su Hyon

Korean Circ J.1999;29(8):844-847.   Published online 1999 August 31     DOI: http://dx.doi.org/10.4070/kcj.1999.29.8.844