Failure of a Dog to discriminate between Strontium-90 and Calcium given Orally


THE ability of a mammal to discriminate against strontium-90 has been the subject of intensive study in recent years. A recent summary of the results of several experiments using a variety of species and experimental approaches indicated that bone discrimination against strontium-90 in favour of calcium can vary from 2 to 4 (ref. 1). This means that the ratio of strontium-90 to calcium in bone as compared with the diet, referred to as the observed ratio, ranges from about 0.25 to 0.50 (ref. 2). These observations have led to the general belief that the mammal always discriminates against strontium-90 deposition to some significant extent.

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STOVER, B., GOLDMAN, M. & ANDERSEN, A. Failure of a Dog to discriminate between Strontium-90 and Calcium given Orally. Nature 191, 713–714 (1961).

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