Letter: Bronchofiberscopy.
D001980:Bronchi / Q000382:microbiology*; D001999:Bronchoscopy / Q000379:methods; D005336:Fiber Optic Technology; D006801:Humans; D012141:Respiratory Tract Infections / Q000382:microbiology*; D014132:Trachea / Q000382:microbiology*