title: Chronic bronchitis. Changes in the bacterial flora of the sputum associated with exacerbations and long-term antibacterial treatment.
mesh_terms: D000900:Anti-Bacterial Agents; D001991:Bronchitis / Q000382:microbiology*; D029481:Bronchitis, Chronic; D006801:Humans; D008134:Long-Term Care; D013183:Sputum / Q000382:microbiology*
chemical_list: D000900:Anti-Bacterial Agents
keywords: BRONCHITIS/microbiology; SPUTUM/microbiology