Cell Radiosensitivity

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    For normal mammalian tissue, cellular changes can be observed at acute exposures as low as 25 rem. This can be seen as a lowered white blood cell count.

    At exposures below this level, it is difficult to see any changes to an animal.

    Exposures over protracted periods of time, or even acute exposures below 25 rem, may take many years to express themselves in the form of cancer or leukemia.

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