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Polk RE, Johnson CK, McClish D, Wenzel RP, Edmond MB.Polk RE, et al. Among authors: wenzel rp.Clin Infect Dis. 2004 Aug 15;39(4):497-503. doi: 10.1086/422647. Epub 2004 Aug 2.Clin Infect Dis. 2004.PMID: 15356812