title: Epidemiology and prevention of nosocomial pneumonia.
authors.forename: J M
authors.initials: JM
authors.lastname: Hughes
mesh_terms: D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D011014:Pneumonia / Q000453:epidemiology* / Q000517:prevention & control; D012307:Risk Factors; D014481:United States