Long-term patency of occipital artery-middle cerebral artery bypass demonstrated by angiography.
D000368:Aged; D002342:Carotid Artery, External / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002548:Cerebral Revascularization / Q000379:methods; D005500:Follow-Up Studies; D006801:Humans; D008297:Male