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Krah NM, Jones TW, Lake J, Hersh AL.Krah NM, et al. Among authors: hersh al.Infect Control Hosp Epidemiol. 2021 May;42(5):530-548. doi: 10.1017/ice.2020.1229. Epub 2020 Oct 16.Infect Control Hosp Epidemiol. 2021.PMID: 33059777