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Chuang HC, Ho YH, Lay CJ, Wang LS, Tsai YS, Tsai CC.Chuang HC, et al. Among authors: tsai ys, tsai cc.J Korean Med Sci. 2011 Nov;26(11):1415-20. doi: 10.3346/jkms.2011.26.11.1415. Epub 2011 Oct 27.J Korean Med Sci. 2011.PMID: 22065896Free PMC article.