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Beare PA, Unsworth N, Andoh M, Voth DE, Omsland A, Gilk SD, Williams KP, Sobral BW, Kupko JJ 3rd, Porcella SF, Samuel JE, Heinzen RA.Beare PA, et al. Among authors: gilk sd.Infect Immun. 2009 Feb;77(2):642-56. doi: 10.1128/IAI.01141-08. Epub 2008 Dec 1.Infect Immun. 2009.PMID: 19047403Free PMC article.