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Hsu GL, Hill JW, Hsieh CH, Liu SP, Hsu CY.Hsu GL, et al. Among authors: hsu cy.Biomed Res Int. 2014;2014:923171. doi: 10.1155/2014/923171. Epub 2014 Aug 7.Biomed Res Int. 2014.PMID: 25165719Free PMC article.