Abstract
RADIOISOTOPICALLY labelled compounds are being used with increasing frequency in both basic science and clinical investigation. Most laboratories are dependent on commercial sources for these products, and although the specifications attesting to the purity of a compound are usually accurate, exceptions do occur.
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ROTHENBERG, S., GARCIA, R. Impurities in Commercially Prepared Tritiated Folk Acid. Nature 200, 922 (1963). https://doi.org/10.1038/200922a0
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DOI: https://doi.org/10.1038/200922a0
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