Key-Chung Park, Sung-Sang Yoon, Dae-il Chang, Kyung-Cheon Chung, Tae-Beom Ahn, Bon D. Ku, John C. Adair, Duk L. Na

J Korean Med Sci.2007;22(6):1094-1097.   Published online 2007 December 20     DOI: http://dx.doi.org/10.3346/jkms.2007.22.6.1094