title: Comparative isotope studies in cerebrovascular disease.
mesh_terms: D001932:Brain Neoplasms / Q000175:diagnosis; D002340:Carotid Artery Diseases / Q000175:diagnosis; D002536:Cerebral Arteries; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000175:diagnosis* / Q000503:physiopathology; D003250:Constriction; D006391:Hemangioma / Q000175:diagnosis; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging; D002537:Intracranial Arteriosclerosis / Q000000981:diagnostic imaging; D008722:Methods; D011859:Radiography; D011877:Radionuclide Imaging; D012039:Regional Blood Flow; D014711:Vertebral Artery