The loop catheter technic.
D000792:Angiography / Q000379:methods*; D002404:Catheterization / Q000379:methods*; D005263:Femoral Artery / Q000000981:diagnostic imaging; D006801:Humans; D007083:Iliac Artery / Q000000981:diagnostic imaging; D008638:Mesenteric Arteries / Q000000981:diagnostic imaging; D012077:Renal Artery / Q000000981:diagnostic imaging; D013157:Splenic Artery / Q000000981:diagnostic imaging