Abstract
THERE have been many investigations of the metabolic behaviour of caesium-137 in man1,2 and experimental animals3. The findings showed that the biological half-times for caesium-137 increased with age4. In view of the scarcity of data on the retention of caesium-137 in young animals, we have investigated the phenomenon in suckling and weanling mice, and found an unusual retention pattern in sucklings, which had a longer biological half-time of 7.5 days.
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References
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Bengtsson, L. G., Naversten, Y., and Svensson, K. G., Assessment of Radioactivity in Man, Proceedings Series, Intern. Atomic Energy Agency, Vol. II, 21 (1964).
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MATSUSAKA, N., INABA, J. Whole-body Retention of Caesium-137 in Suckling and Weanling Mice. Nature 214, 303–304 (1967). https://doi.org/10.1038/214303a0
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DOI: https://doi.org/10.1038/214303a0
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