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JAMA. 1946;131(6):519-520. doi:10.1001/jama.1946.02870230025006.
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R. A., a man aged 46, a farm hand, weighing 140 pounds (63.5 Kg.) in the employ of Dr. Paul Bartsch of the United States National Museum, was given a 5 per cent solution of commercial DDT in kerosene for use as an insecticide spray. Some of this solution in a bottle was carried in a pocket containing a supply of chewing tobacco. The cork came loose and an undetermined amount, estimated at about 1 or 2 tablespoons, was spilled on the tobacco. A plug of the tobacco was chewed on that day, July 2, and in about two hours, by his own account, he became nauseated and apprehensive and experienced a sensation of tightness, stiffness and pain of the jaws and soreness of the throat. He was apparently not aware of the odor or taste of kerosene. The nausea and discomfort increased. He took some magnesium sulfate for relief,


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