title: Preventing stroke.
mesh_terms: D001241:Aspirin / Q000627:therapeutic use*; D002170:Canada; D002561:Cerebrovascular Disorders / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D011897:Random Allocation; D013442:Sulfinpyrazone / Q000627:therapeutic use*
chemical_list: D001241:Aspirin; D013442:Sulfinpyrazone