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Margaret A. Winker

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date: 29 January 2020

The INN designations for radioactive pharmaceuticals consist of “the name of the compound serving as the carrier for the radioactivity, the symbol for the radioactive isotope, and the atomic weight.”(p11) Since the nonproprietary name comprises all these components, the complete name should be provided at first mention unless the radiopharmaceuticals being referred to are a general category. Subsequently, a shorter term may be used, such as iodinated albumin or gallium scan. Although the nonproprietary name for the radiopharmaceutical may appear to contain redundant information, maintaining consistent terminology is important for clarity. For example, technetium Tc 99m is contained in more

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