title: Nosocomial pneumonia: new concepts on an old disease.
authors.affiliation: Boston University School of Medicine, Massachusetts.
authors.forename: D E
authors.initials: DE
authors.lastname: Craven
mesh_terms: D003428:Cross Infection / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects; D011014:Pneumonia / Q000453:epidemiology / Q000209:etiology*; D013270:Stomach / Q000382:microbiology; D014481:United States