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Chen YC, Kuo YH, Yang NC, Liu CW, Chang WT, Hsu CL.Chen YC, et al. Among authors: chang wt.J Chin Med Assoc. 2014 Oct;77(10):535-43. doi: 10.1016/j.jcma.2014.05.011. Epub 2014 Aug 19.J Chin Med Assoc. 2014.PMID: 25153015Free article.