title: A bacteriological comparison between sputum and bronchial secretion collected by fiberbronchoscopy.
mesh_terms: D001980:Bronchi / Q000382:microbiology*; D001999:Bronchoscopy; D005336:Fiber Optic Technology; D006801:Humans; D012140:Respiratory Tract Diseases / Q000382:microbiology*; D013183:Sputum / Q000382:microbiology*