title: Value of subtraction in arch aortography. Case reports.
mesh_terms: D000368:Aged; D001015:Aortic Arch Syndromes / Q000000981:diagnostic imaging*; D001027:Aortography; D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013382:Subtraction Technique; D014711:Vertebral Artery / Q000000981:diagnostic imaging