Soyeon Kim, Ho-Jang Kwon, Hae-Kwan Cheong, Kyungho Choi, Jae-Yeon Jang, Woo-Chul Jeong, Dae-Seon Kim, Seungdo Yu, Young-Wook Kim, Kwang-Young Lee, Seoung-Oh Yang, Ik Jae Jhung, Won-Ho Yang, Yun-Chul Hong

J Korean Med Sci.2008;23(3):452-458.   Published online 2008 June 20     DOI: http://dx.doi.org/10.3346/jkms.2008.23.3.452