Bleeding During Antithrombotic Therapy in Patients with Atrial Fibrillation
Stroke Prevention in Atrial Fib Invest, Arch Int Med 156:409-4161996., , 1996
Risk Factors for Intracranial Hemorrhage in Outpatients Taking Warfarin
Ann Int Med 120:897-902, Hylek,E.M.&Singer,D.E., 1994