RT Journal Article SR Electronic T1 Fifty Per Cent Urokon Sodium as an Intravenous Urographic Contrast Medium JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 157 OP 160 VO 22 IS 4 A1 Strittmatter, William C. YR 1955 UL http://www.ccjm.org/content/22/4/157.abstract AB