title: Ionic vs. nonionic contrast media.
authors.forename: K
authors.initials: K
authors.lastname: Lloyd
mesh_terms: D001672:Biocompatible Materials; D003287:Contrast Media / Q000009:adverse effects / Q000737:chemistry* / Q000191:economics; D016527:Drug Costs; D006801:Humans; D007454:Iodides / Q000009:adverse effects / Q000737:chemistry* / Q000191:economics; D009994:Osmolar Concentration; D011859:Radiography; D012307:Risk Factors
chemical_list: D001672:Biocompatible Materials; D003287:Contrast Media; D007454:Iodides