title: [Usefulness of sputum examination].
authors.affiliation: Infection Control and Prevention Center, Gunma University Hospital, Japan.
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Tokue
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D018410:Pneumonia, Bacterial / Q000382:microbiology*; D013183:Sputum / Q000382:microbiology*