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THE FOREIGN SERVICEse
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Dr, Rokuzo”Kobayashi”
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National Institute ofHealth;
Welfare Ministry
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Data ‘on. the tnadvaduai’ radio-Fsbtopes:wit
be:“telegraphed0 Lo
me in another’ few days.’ It will then be’possible’ for” me to bemore:guantitative in estimating the dose from “absorbed— fission products;However,it is "most certainthat thestordee..of:long-lived Fadtosryfs.
«a Ao2 Dos
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As” you yniow, the: rate “of excretion.oF ‘fabston products"et"‘any:
tine after absorption bears a relationship to the ausntittes.
ted in the various tissues, The principal radiochemical
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tuents at this time are due, to Sr89, Lalk4O and the Rare’ .+-,-
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ted from the body with comparative rapidity eitherBicsctive Gecay or excretion,
In the case of these cetients,
is most certainly an insignificant fraction of the total
:
rbed redicactivity, The permissible urinary excretion, ccnring the . isotopes involved, would be greater, by a lerge
or,
than the vélues reported above.
Qn ner ort a
I note that the nerspepers continue to carry occesional
of the Japanese investigators to the effect tnat the
t tements
r Ge nosis for the fishermen is edversely affected by the fact ~ -:. ..
ni at long-life bone-seeking isotores are Geposited in theirsion
i esues, It is regrettable ‘that the public continues__to_ te piBs.
n forzed in this “respect,.. Certainlythe resultsreported above! +
r gue convincingly that,‘only.minimal, medically insignificant!pitas
cunts of fission products have been ebsorbed into the tissues: - <
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