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During the past 10 years under the auspices of the Anthracite Health and Welfare Fund we have had the opportunity to observe and study a total of some 1,690 hard-coal miners. These men had worked on the average 25-30 years in the anthracite fields, and with only a rare exception all of them had x-ray evidence of anthracosilicosis. The subjects were hospitalized voluntarily in order for a physiological evaluation of their pulmonary function to be made. Though entirely unselected, they nonetheless did represent a somewhat restricted group of the mining population. They were a restricted group in the sense that they all had long exposures; very few were actually working in the mines at the time of study, and the vast majority were desirous of hospitalization because of the presence of dyspnea. Nonetheless, the symptoms and degree of pulmonary impairment varied greatly in the group. There were many who had
CATHCART RT, THEODOS PA, FRAIMOW W. Anthracosilicosis: Selected Aspects Related to the Evaluation of Disability, Cavitation, and the Unusual X-Ray. Arch Intern Med. 1960;106(3):368–377. doi:10.1001/archinte.1960.03820030056010
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