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Ito HT, Smith SE, Hsiao E, Patterson PH.Ito HT, et al.Brain Behav Immun. 2010 Aug;24(6):930-41. doi: 10.1016/j.bbi.2010.03.004. Epub 2010 Mar 19.Brain Behav Immun. 2010.PMID: 20227486Free PMC article.