title: The management of purulent exacerbations of chronic bronchitis. A comparison of co-trimoxazole and tetracycline.
mesh_terms: D000208:Acute Disease; D000890:Anti-Infective Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy* / Q000382:microbiology; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D011743:Pyrimidines / Q000627:therapeutic use*; D013183:Sputum / Q000382:microbiology; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D013752:Tetracycline / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use
chemical_list: D000890:Anti-Infective Agents; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D014295:Trimethoprim; D013752:Tetracycline; D013420:Sulfamethoxazole