Vertebrobasilar Disease
NEJM 352:2618-2626, Savitz,S.I.&Caplan,L.R., 2005
Local Embolism From Vertebral Artery Occlusion
Stroke 19:112-115, Pessin,M.S.,et al, 1988
Clinical Features & Mechanism of Occipital Infarction
Ann Neurol 21:290-299, Pessin,M.S.,et al, 1987