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Theodos CM, Morris RV, Bishop JV, Jones JD, McMaster WR, Titus RG.Theodos CM, et al.Infect Immun. 2004 Aug;72(8):4486-93. doi: 10.1128/IAI.72.8.4486-4493.2004.Infect Immun. 2004.PMID: 15271907Free PMC article.