Aortic arch atheroma: a plaque of a different color or more of the same?

Clopidogrel Plus Aspirin Versus Warfarin in Patients With Stroke and Aortic Arch Plaques Pierre Amarenco, MD; Stephen Davis, MD; Elizabeth F. Jones, MD, PhD; Ariel A. Cohen, MD, PhD; Wolf-Dieter Heiss, MD; Markku Kaste, MD; Cédric Laouénan, MD; Dennis Young; Malcolm Macleod, MD, PhD, FRCP; Geoffrey A. Donnan, MD; The Aortic Arch Related Cerebral Hazard Trial Investigators ................................................................................... 1248