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Chen YY, Yeh CH, So EC, Sun DP, Wang LY, Hsing CH.Chen YY, et al. Among authors: hsing ch.Biomed Res Int. 2014;2014:431524. doi: 10.1155/2014/431524. Epub 2014 Aug 6.Biomed Res Int. 2014.PMID: 25229058Free PMC article.