Authors: Yong Han Paik; Kwan Sik Lee; Kwang Hyub Han; Kun Hoon Song; Myoung Hwan Kim; Byung Soo Moon; Sang Hoon Ahn; Se Joon Lee; Hyo Jin Park; Dong Ki Lee; Chae Yoon Chon; Sang In Lee; Young Myoung Moon Journal: Yonsei Med J Date: 2005-06-30 Impact factor: 2.759