Abstract
Conclusions
Progressive neurological symptoms were produced in cats by the intramuscular injection of DDT, The signs evolved in the sequence of stiffness, tremor, clonic movements, and death.
An animal with chronic neurological symptoms was not obtained, either because death supervened or because the animal returned toward normality.
Nissl sections revealed diffuse damage to the ganglion cells of the brain, characterized by vacuolar degeneration or pyknosis. No alterations, other than capillary dilatation, were recognized in the liver.
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