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Harvill ET, Lee G, Grippe VK, Merkel TJ.Harvill ET, et al. Among authors: grippe vk.Infect Immun. 2005 Jul;73(7):4420-2. doi: 10.1128/IAI.73.7.4420-4422.2005.Infect Immun. 2005.PMID: 15972541Free PMC article.