ID#: 26293
Caption:
These two rats were used in a DDT (dichlorodiphenyltrichloroethane) toxicity study measuring storage and excretion rates of the insecticide in a normal rat (left) and its obese counterpart (right). DDT has been banned for use in the United States since 1972.
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Content Provider(s): CDC
Creation Date: 1960
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.