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Russell M, Darville T, Chandra-Kuntal K, Smith B, Andrews CW Jr, O'Connell CM.Russell M, et al.Infect Immun. 2011 Jan;79(1):98-107. doi: 10.1128/IAI.01105-10. Epub 2010 Oct 25.Infect Immun. 2011.PMID: 20974819Free PMC article.