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Cama VA, Bern C, Roberts J, Cabrera L, Sterling CR, Ortega Y, Gilman RH, Xiao L.Cama VA, et al. Among authors: xiao l.Emerg Infect Dis. 2008 Oct;14(10):1567-74. doi: 10.3201/eid1410.071273.Emerg Infect Dis. 2008.PMID: 18826821Free PMC article.