Intracranial vascular anomalies in Nigerians.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002340:Carotid Artery Diseases / Q000453:epidemiology; D002675:Child, Preschool; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000453:epidemiology* / Q000601:surgery; D002538:Intracranial Arteriovenous Malformations / Q000453:epidemiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009549:Nigeria