title: The natural history of aneurysms of the basilar bifurcation.
mesh_terms: D000328:Adult; D001488:Basilar Artery; D002339:Carotid Arteries / Q000503:physiopathology; D002543:Cerebral Hemorrhage; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications* / Q000175:diagnosis / Q000401:mortality; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery / Q000503:physiopathology