Young Sup Byun, Young Guk Ko, Jae Hun Jung, Pil Ki Min, Geu Ru Hong, Seok Min Kang, Dong Hoon Choi, Yang Soo Jang, Nam Sik Chung, Jai Wun Park, Seung Yun Cho

Korean Circ J.2003;33(9):779-785.   Published online 2003 September 30     DOI: http://dx.doi.org/10.4070/kcj.2003.33.9.779