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Stefan Ansbacher, Ph.D.
JAMA. 1931;96(20):1681. doi:10.1001/jama.1931.27220460002007b.
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Cases of fatal poisoning by potassium chlorate are seldom encountered at present, although a number were reported during the latter part of the nineteenth century. Jacobi1 reported eleven cases in 1879, and Wegschneider1 thirty in 1880. Rosenbloom,2 in 1912, reported the case of a woman who died after ingesting about 50 Gm. The only one that I have been able to find in the more recent literature (1930) is that of Bernstein.3 In that case of 1910 a mentally diseased army officer, aged 33, ate an entire tube of Pebeco Tooth Paste on an empty stomach, corresponding, in the opinion of the author, to 7.5 Gm. of potassium chlorate. He explained the toxicity of this small dosage on the ground that it was taken while the patient was fasting. In the light of an earlier analysis by Buri,4 who found 50 per cent of chlorate in


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