Headache at Stroke Onset:The Lausanne Stroke RegistryJNNP 58:490-492, Kumral,E.,et al, 1995
Fibromuscular Dysplasia:Multiple"Spontaneous"Dissecting Aneurysms of the Major Cervical ArteriesAnn Neurol 1:301, Ringel,S.P.,et al, 1977