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Wang Y, Nagarajan U, Hennings L, Bowlin AK, Rank RG.Wang Y, et al.Infect Immun. 2010 Apr;78(4):1670-81. doi: 10.1128/IAI.01339-09. Epub 2010 Feb 1.Infect Immun. 2010.PMID: 20123720Free PMC article.