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Aguirre KM, Sayles PC, Gibson GW, Johnson LL.Aguirre KM, et al. Among authors: sayles pc.Infect Immun. 1996 Jan;64(1):77-82. doi: 10.1128/iai.64.1.77-82.1996.Infect Immun. 1996.PMID: 8557377Free PMC article.