J.P. Mohr et al.: A comparison of warfarin and aspirin for the prevention of recurrent ischemic stroke N Engl J Med 345 : 1444-1451(2001)
J.P. Mohr et al.: A comparison of warfarin and aspirin for the prevention of recurrent ischemic stroke. N Engl J Med 345 : 1444 -1451((200)