title: Treatment of acute exacerbations of chronic bronchitis. A double-blind trial of cotrimoxazole and cephalexin.
mesh_terms: D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000188:drug therapy*; D002506:Cephalexin / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004338:Drug Combinations; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D014295:Trimethoprim; D013420:Sulfamethoxazole; D002506:Cephalexin