Published Online
on March 6, 2008

A more recent version of this article appeared on April 1, 2008

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Submitted on July 30, 2007
Accepted on August 9, 2007

Oral Anticoagulants Versus Antiplatelet Therapy for Preventing Stroke in Patients With Nonvalvular Atrial Fibrillation and No History of Stroke or Transient Ischemic Attacks

Maria I. Aguilar MD^* and Robert Hart MD

From the Mayo Clinic Arizona (M.I.A.), Phoenix, Ariz; University of Texas Health Science Center (R.G.H.), San Antonio, Tex.

^* To whom correspondence should be addressed. E-mail: aguilar.maria{at}mayo.edu.

Key words: anticoagulant • antiplatelet • aspirin • atrial fibrillation • stroke • warfarin