title: Role of infection in chronic bronchitis.
mesh_terms: D000328:Adult; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001991:Bronchitis / Q000188:drug therapy / Q000209:etiology*; D002648:Child; D002908:Chronic Disease; D006801:Humans; D012141:Respiratory Tract Infections / Q000150:complications* / Q000188:drug therapy
chemical_list: D000900:Anti-Bacterial Agents