Vascular transposition for vertebral basilar insufficiency.
D000368:Aged; D002339:Carotid Arteries / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D014711:Vertebral Artery / Q000601:surgery*; D014715:Vertebrobasilar Insufficiency / Q000601:surgery*