Improvement of superior mesenteric and portal vein visualization with tolazoline.
D000792:Angiography; D003973:Diatrizoate; D006801:Humans; D008642:Mesenteric Veins / Q000000981:diagnostic imaging*; D008722:Methods; D011169:Portal Vein / Q000000981:diagnostic imaging*; D014043:Tolazoline
D003973:Diatrizoate; D014043:Tolazoline