The Natural History of Asymptomatic Carotid Artery Occlusive Lesions
JAMA 258:2704-2707, Meissner,I.,et al, 1987
Controversies in the Management of Cerebral Vascular Disease
Neurol 38:1609-1616, Scheinberg,P., 1988
Lacunar Strokes & Infarcts:A Review
Neurol 32:871-876, Fisher,C.M., 1982