Parfrey, P S Should nonionic radiographic contrast media be given to all patients? [electronic resource] - CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne Mar 1988 - 497-500 p. digital Publication Type: Journal Article; Review ISSN: 0820-3946 Subjects--Topical Terms: CanadaChemical PhenomenaChemistryContrast Media--administration & dosageCosts and Cost AnalysisDiatrizoate Meglumine--administration & dosageHumansIoxaglic Acid--administration & dosageOsmolar ConcentrationRadiography--economics