title: Angiography and xenon 133 clearance in the investigation of the blood flow of the vertebro-basilar system.
mesh_terms: D001488:Basilar Artery / Q000000981:diagnostic imaging; D001921:Brain / Q000033:anatomy & histology / Q000098:blood supply*; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D006801:Humans; D008722:Methods; D009422:Nervous System Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D009929:Organ Size; D011868:Radioisotopes; D014711:Vertebral Artery / Q000000981:diagnostic imaging; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon