title: Prevalence studies in nosocomial infections.
authors.forename: R C
authors.initials: RC
authors.lastname: Spencer
mesh_terms: D015331:Cohort Studies; D003428:Cross Infection / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D005060:Europe / Q000453:epidemiology; D006801:Humans; D014481:United States / Q000453:epidemiology