title: Non-ionic contrast media--past, present and future.
authors: M E
authors: ME
authors: Oxaal
mesh_terms: D003287:Contrast Media; D006801:Humans; D007472:Iohexol; D008793:Metrizamide; D009994:Osmolar Concentration
chemical_list: D003287:Contrast Media; D007472:Iohexol; D008793:Metrizamide