Migraine and Vertebrobasilar Ischemia
Neurol 41:55-61, Caplan,L.R., 1991
Intraluminal Clot in the Vertebrobasilar Circulation:Clinical and Radiologic Features
Neurol 39:515-522, Levine,S.R., 1989
"Top of the Basilar"Syndrome:Clinico-Radiological Evaluation
Neuroradiology 29:354-359, Sato,M.,et al, 1987