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Lai HW, Chang CC, Chen TH, Tsai MC, Chen TY, Lin CC.Lai HW, et al. Among authors: chen th, chen ty.J Formos Med Assoc. 2012 Aug;111(8):439-44. doi: 10.1016/j.jfma.2011.05.010. Epub 2012 Apr 30.J Formos Med Assoc. 2012.PMID: 22939662Free article.