Intracranial vascular anomalies in Nigerians.
D000293:Adolescent; D000328:Adult; D002536:Cerebral Arteries / Q000002:abnormalities*; D002675:Child, Preschool; D003392:Cranial Sinuses / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria