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Olson MM, Shanholtzer CJ, Lee JT Jr, Gerding DN.Olson MM, et al. Among authors: shanholtzer cj.Infect Control Hosp Epidemiol. 1994 Jun;15(6):371-81. doi: 10.1086/646934.Infect Control Hosp Epidemiol. 1994.PMID: 7632199