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JAMA. 1932;99(6):490-491. doi:10.1001/jama.1932.02740580058024.
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The Fogs of the Meuse Valley  Recent bulletins of the Academy of Medicine of Belgium contain the results of research undertaken for the purpose of identifying the causes of the fatal accidents occurring in the Meuse Valley during the fog of December, 1930. In addition to the tracheobronchopulmonary irritation that all the patients manifested, a large number showed signs of laryngeal irritation with modification of the tone of the voice; others manifested signs of nausea, and in some instances vomiting. There were no diarrhea, no neuritis or albuminuria, and no sensory disorders. The necropsies showed no evidence of recent structural changes in the viscera, particularly on the part of the liver and the kidneys, organs frequently attacked by diffuse massive intoxications. One can only point out the presence in the pulmonary alveoli of fine black granulations that did not give the microchemical reactions of iron, either free in the alveolar


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