Posterior circulation aneurysms in young people.
D000293:Adolescent; D001488:Basilar Artery; D002533:Cerebral Angiography; D002536:Cerebral Arteries; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000601:surgery*; D008297:Male; D012737:Sex Factors; D014711:Vertebral Artery