title: Comparison of trimethoprim in combination with sulfadiazine or sulfamethoxazole in the treatment of respiratory infections.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004311:Double-Blind Method; D004338:Drug Combinations; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D012141:Respiratory Tract Infections / Q000188:drug therapy*; D013411:Sulfadiazine / Q000627:therapeutic use*; D013420:Sulfamethoxazole / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D013411:Sulfadiazine; D014295:Trimethoprim; D013420:Sulfamethoxazole