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skos:definition |
MSH: Isotopes that exhibit radioactivity and undergo radioactive decay. (From Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed),CSP: isotopes that decay and emit radiation; either naturally occurring elements or are produced by the action of neutrons, protons, deuterons, or alpha particles; index with a specific element when appropriate, e.g., C14 index with CARBON and RADIONUCLIDE.,CHV: a chemical element that has been made radioactive,CHV: a chemical element that has been made radioactive,CHV: a chemical element that has been made radioactive,CHV: a chemical element that has been made radioactive,CHV: a chemical element that has been made radioactive,CHV: a chemical element that has been made radioactive,NCI: An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable. Radioisotopes may occur in nature or be made in a laboratory. In medicine, they are used in imaging tests and in treatment.,NCI: A vers
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