title: Warfarin prevails for stroke prevention in atrial fibrillation--even in octogenarians.
authors: Gregory W
authors: GW
authors: Albers
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D006801:Humans; D020521:Stroke / Q000517:prevention & control*; D016896:Treatment Outcome; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D000925:Anticoagulants; D014859:Warfarin