TABLE SIX SOME POSSIBLE BIOLOGICAL EFFECTS FROM RADIATION DOSES TO SPECIFIC ORGANS * Dose Gastrointestinal (Rads) Bones Thyroid Tract Minor changes in { 190,000 ~ restructure 4 rr Tumor production Permanent or serious damage =~ survival threatened 1,000 tumor production Minor visual changes in structure Immediate effects such as nausea and vomiting Potential carcinogenic dose to thyroids of few percent of children and adolescents 100 _— * Lesser short term effects would be expected from the same doses distributed in time.

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