Guideline on the Management of Patients with Extracranial Carotid and Vertebral Artery Disease
Stroke 42:e420-e463, Brott, T.G.,et al, 2011
Bilateral Vertebral Artery Occlusion Resulting from Giant Cell Arteritis: Report of 3 Cases and Review of the Literature
Medicine 82:1-12, Ruegg,S.,et al, 2003