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Liu CH, Lin YW, Tang NY, Liu HJ, Hsieh CL.Liu CH, et al. Among authors: tang ny.Evid Based Complement Alternat Med. 2012;2012:194790. doi: 10.1155/2012/194790. Epub 2011 Aug 3.Evid Based Complement Alternat Med. 2012.PMID: 21837247Free PMC article.