Abstract
Summary
We studied the depression of plasma radioiron turnover rates in rats following X-irradiation. The depression is prompt (maximal by 24–30 hours) and, at 24 hours post-irradiation, is directly related to dose between 50 r and 300 r. Recovery occurs by the 6th post irradiation day, indicating that subsequent anemia is more likely due to hemorrhagic diathesis than bone marrow dysfunction. Sensitivity of the radioiron turnover method permitted a study of bone marrow response at frequent short intervals after irradiation.
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