Wern Chan Yoon, Dong Geun Yeo, Hak Jun Kim, Jeong Ki Park, Joon Hyung Doh, Jae Kean Ryu, Ji Yong Choi, Sung Gug Chang

Korean Circ J.2000;30(3):365-368.   Published online 2000 March 31     DOI: http://dx.doi.org/10.4070/kcj.2000.30.3.365