Stroke: U.S. & Japan. Angiographic studies.
D000328:Adult; D000368:Aged; D044466:Asian People; D001488:Basilar Artery; D002340:Carotid Artery Diseases / Q000453:epidemiology; D002533:Cerebral Angiography; D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging* / Q000453:epidemiology; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D008910:Minnesota; D013348:Subclavian Artery; D014711:Vertebral Artery; D044465:White People