title: Reversal of blood flow through the vertebral artery and its effect on cerebral circulation.
mesh_terms: D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000209:etiology*; D006801:Humans; D014711:Vertebral Artery / Q000502:physiology*
keywords: CEREBROVASCULAR DISORDERS/etiology; VERTEBRAL ARTERY/physiology