title: A further comparative trial of co-trimoxazole in chronic bronchitis.
mesh_terms: D000328:Adult; D000368:Aged; D000890:Anti-Infective Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004318:Doxycycline / Q000009:adverse effects / Q000627:therapeutic use*; D005260:Female; D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009325:Nausea / Q000139:chemically induced; D011743:Pyrimidines / Q000627:therapeutic use*; D012008:Recurrence; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D013997:Time Factors; D014295:Trimethoprim / Q000627:therapeutic use
chemical_list: D000890:Anti-Infective Agents; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D014295:Trimethoprim; D013420:Sulfamethoxazole; D004318:Doxycycline