Author Affiliations: Clinical Epidemiology Unit, Division of General Medicine, Massachusetts General Hospital, Boston (Dr Singer); and Division of Research, Kaiser Permanente Northern California, Oakland (Dr Go).
Singer DE, Go AS. A New Era in Stroke Prevention for Atrial FibrillationComment on “Current Trial-Associated Outcomes With Warfarin in Prevention of Stroke in Patients With Nonvalvular Atrial Fibrillation. Arch Intern Med. 2012;172(8):631-633. doi:10.1001/archinternmed.2012.897