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Chang HT, Lin MH, Hwang IH, Lai HY, Ho MM, Lin CH, Chen CK, Hwang SJ.Chang HT, et al. Among authors: chen ck.J Chin Med Assoc. 2013 Jan;76(1):42-7. doi: 10.1016/j.jcma.2012.09.008. Epub 2012 Dec 1.J Chin Med Assoc. 2013.PMID: 23331781Free article.