Different areas on the abdomen of the same guinea pigs have been exposed to suberythema doses of soft x-rays, to heat of an intensity below the critical dose for the production of burns, and to both radiations in sequence.
The only effect of exposure to x-ray or heat alone was a slight scaling of the skin. The areas exposed to heat and x-radiation developed well marked and persistent burns. The results were the same no matter in which sequence the agents were applied.
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Copyright, 1925, by The Rockefeller Institute for Medical Research New York
1925
