title: Letter: Potentiation of warfarin by co-trimoxazole.
mesh_terms: D000328:Adult; D000368:Aged; D004338:Drug Combinations; D004357:Drug Synergism; D006801:Humans; D008875:Middle Aged; D011516:Prothrombin / Q000037:antagonists & inhibitors; D013420:Sulfamethoxazole / Q000008:administration & dosage / Q000494:pharmacology*; D014295:Trimethoprim / Q000008:administration & dosage / Q000494:pharmacology*; D014859:Warfarin / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D014859:Warfarin; D011516:Prothrombin; D014295:Trimethoprim; D013420:Sulfamethoxazole