Nam Sik Yoon, Jeong Gwan Cho, Hyung Wook Park, Jum Suk Ko, Min Goo Lee, Young Joon Hong, Ju Han Kim, Weon Kim, Young Keun Ahn, Myung Ho Jeong, Jong Chun Park, Jung Chaee Kang

Korean Circ J.2005;35(5):389-395.   Published online 2005 May 31     DOI: http://dx.doi.org/10.4070/kcj.2005.35.5.389