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AN EPR MODEL FOR SEPARATING INTERNAL 90SR DOSES FROM EXTERNAL GAMMA-RAY DOSES IN TEETH

The problem of retrospectively measuring radiation doses to humans having both external and internal exposures is addressed. A simplified theoretical model is presented by which the internal exposure from a bone seeking radionuclide can be measured and distinguished from an external gamma-ray dose. The model also provides a means of estimating initial acute uptakes of 90Sr.