Letter: Trimethioprim-sulfamethoxazole.
D000208:Acute Disease; D002908:Chronic Disease; D003365:Costs and Cost Analysis; D004357:Drug Synergism; D006801:Humans; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use*; D014552:Urinary Tract Infections / Q000188:drug therapy*
D014295:Trimethoprim; D013420:Sulfamethoxazole