EFFECTS OF COBALT-60 IRRADIATION TO THE REGION OF THE BRAIN OF THE BURRO. CLINICAL SIGNS AND SYMPTOMS
AIR FORCE SPECIAL WEAPONS CENTER KIRTLAND AFB NM
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Seven burros received 600r and four burros 200r of gamma rays from a bilateral cobalt-60 source to the region of the brain. Each burro had a paired control that was sham-irradiated. The principal target was the brain. Six out of seven burros receiving 600r died in the terminal phase of the hyperacute radiation syndrome. The animals that received 200r showed a few transient abnormal neurological signs. Irradiated burros exhibited abnormal neurological signs at relatively low doses of radiation to the region of the brain when compared to other irradiated mammalian species.