Eun Mi Lee, Hong Seog Seo, Dong Joo Oh, Jin Won Kim, Sung Hee Shin, Jeong Cheon Ahn, Woo Hyuk Song, Do Sun Lim, Chang Gyu Park, Young Hoon Kim, Wan Joo Shim, Young Moo Ro

Korean Circ J.2001;31(9):930-939.   Published online 2001 September 30     DOI: http://dx.doi.org/10.4070/kcj.2001.31.9.930