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Fernandez-Ayala M, Nan DN, Farinas-Alvarez C, Revuelta JM, Gonzalez-Macias J, Farinas MC.Fernandez-Ayala M, et al.Infect Control Hosp Epidemiol. 2006 Jan;27(1):85-8. doi: 10.1086/500334. Epub 2006 Jan 6.Infect Control Hosp Epidemiol. 2006.PMID: 16418996