title: Drip infusion pyelography in patients with renal failure.
mesh_terms: D002908:Chronic Disease; D003404:Creatinine / Q000097:blood; D006801:Humans; D007668:Kidney / Q000503:physiopathology; D007676:Kidney Failure, Chronic / Q000097:blood / Q000000981:diagnostic imaging* / Q000503:physiopathology; D008722:Methods; D014054:Tomography; D014508:Urea / Q000097:blood; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging; D014545:Urinary Calculi / Q000000981:diagnostic imaging; D014567:Urography
chemical_list: D014508:Urea; D003404:Creatinine