Double catheter technique in aortography.
D001012:Aorta, Abdominal / Q000000981:diagnostic imaging; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D001027:Aortography; D001366:Axillary Artery / Q000000981:diagnostic imaging; D002404:Catheterization; D006801:Humans; D008722:Methods