title: Blood cultures and pneumonia.
authors.forename: G E
authors.initials: GE
authors.lastname: Tracy
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis* / Q000453:epidemiology; D001769:Blood / Q000382:microbiology*; D006801:Humans; D011014:Pneumonia / Q000175:diagnosis* / Q000453:epidemiology / Q000382:microbiology; D014481:United States / Q000453:epidemiology