There is a description of the finding in whole-body irradiated young cattle exposed to 60Co in the doses of 3.7 and 2.0 J kg-1 (370 and 200 rad). The principal picture is a hemorrhagic diathesis localized above all in the permanently mechanically active organs and parts of the skeletal muscles. The degree of the regeneration of lymphoid tissue was dependent on the length of survival and on the amount of absorbed dose.

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