Source:http://linkedlifedata.com/resource/umls/id/C0022005
MSH: An effective non-ionic, water-soluble contrast agent which is used in myelography, arthrography, nephroangiography, arteriography, and other radiographic procedures. Its low systemic toxicity is the combined result of low chemotoxicity and low osmolality.,NCI: An X-ray contrast medium containing iohexol in various concentrations, from 140 to 350 milligrams of iodine per milliliter.