title: Effects of sulphinpyrazone and aspirin on gastrointestinal blood loss in man.
mesh_terms: D001241:Aspirin / Q000009:adverse effects / Q000494:pharmacology*; D006471:Gastrointestinal Hemorrhage / Q000097:blood*; D006801:Humans; D010919:Placebos; D013442:Sulfinpyrazone / Q000494:pharmacology*
chemical_list: D010919:Placebos; D001241:Aspirin; D013442:Sulfinpyrazone