Source:http://linkedlifedata.com/resource/umls/id/C0303596
NCI: A radioactive form of the rare metal yttrium that is used in radiation therapy to treat some types of tumors. Yttrium Y 90 can be linked to a molecule, such as a monoclonal antibody, to help it locate and bind to certain substances in the body, including cancer cells. The radiation may kill the cancer cells.,NCI: Radioactive isotope of yttrium. A beta/gamma-emitter with a half life of 2.7 days.