title: Double-blind trial with sulfamethoxazole plus trimethoprim (Bactrim) versus demethyl-chlortetracycline (Ledermycin) in chronic respiratory tract infections.
mesh_terms: D000328:Adult; D000368:Aged; D000890:Anti-Infective Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003707:Demeclocycline / Q000627:therapeutic use*; D005260:Female; D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011743:Pyrimidines / Q000627:therapeutic use*; D012141:Respiratory Tract Infections; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use
chemical_list: D000890:Anti-Infective Agents; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D003707:Demeclocycline; D014295:Trimethoprim; D013420:Sulfamethoxazole