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This paper contains extensive information about the incidence of pulmonary disease in miners, etiologic relationships to inhaled dust, permissible concentrations of dust in mining operations and accepted ways of controlling dust exposure. Attention is called to the fact that, although silicosis has preoccupied lay and professional attention during recent years, bronchitis, influenza, pneumonia and tuberculosis are far greater sources of suffering and economic loss.
Pulmonary Diseases in the Mining Industry. JAMA. 1941;117(12):1055. doi:10.1001/jama.1941.02820380077044
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