Hong Keun Cho, Seokmin Kang, Sang Hak Lee, Keum Ryun Pack, Si Hoon Park, Gil Ja Shin, Yangsoo Jang, Kwang Hoe Chung

Korean Circ J.1999;29(10):1121-1128.   Published online 1999 October 31     DOI: http://dx.doi.org/10.4070/kcj.1999.29.10.1121