Warfarin in chronic atrial fibrillation in the elderly.
O'Connell
J E
JE
D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation / Q000188:drug therapy*; D002561:Cerebrovascular Disorders / Q000517:prevention & control*; D006801:Humans; D014859:Warfarin / Q000008:administration & dosage / Q000627:therapeutic use*
D014859:Warfarin