[Risk factors of cerebral arteriosclerosis--studies based on cerebral angiography].
D000328:Adult; D000367:Age Factors; D000368:Aged; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged