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Mu Y, Edwards JR, Horan TC, Berrios-Torres SI, Fridkin SK.Mu Y, et al. Among authors: horan tc.Infect Control Hosp Epidemiol. 2011 Oct;32(10):970-86. doi: 10.1086/662016. Epub 2011 Sep 1.Infect Control Hosp Epidemiol. 2011.PMID: 21931247