Jaewon Choi, Yu Kyeong Hwang, Young Jin Choi, Ki Eun Yoo, Jeong Han Kim, Seok Jin Nam, Jung Hyun Yang, Sang Jin Lee, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo, Young-Hyuck Im

J Korean Med Sci.2007;22(Suppl):S17-S23.   Published online 2007 September 30     DOI: http://dx.doi.org/10.3346/jkms.2007.22.S.S17