[Basilar insufficiency; with special reference to the vertebroangiography and cerebral hemodynamics in young and aged patients].
D000328:Adult; D000367:Age Factors; D000368:Aged; D000792:Angiography; D001488:Basilar Artery; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000175:diagnosis; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery / Q000000981:diagnostic imaging*