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Zhu LW, Wang CC, Liu RS, Li HM, Wan DJ, Tang YJ.Zhu LW, et al.J Biomed Biotechnol. 2012;2012:626137. doi: 10.1155/2012/626137. Epub 2012 Oct 3.J Biomed Biotechnol. 2012.PMID: 23093852Free PMC article.