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Chang WD, Chen FC, Lee CL, Lin HY, Lai PT.Chang WD, et al.Evid Based Complement Alternat Med. 2015;2015:471208. doi: 10.1155/2015/471208. Epub 2015 Jun 21.Evid Based Complement Alternat Med. 2015.PMID: 26185517Free PMC article.Review.
Chang WD, Chang NJ, Lin HY, Lai PT.Chang WD, et al. Among authors: chang nj.Biomed Res Int. 2015;2015:813942. doi: 10.1155/2015/813942. Epub 2015 Nov 10.Biomed Res Int. 2015.PMID: 26640796Free PMC article.Clinical Trial.