title: Diagnosis of basilar-artery aneurysm by radionuclide study of cerebral blood-flow.
mesh_terms: D001488:Basilar Artery; D002560:Cerebrovascular Circulation; D002941:Circle of Willis; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging