Occupational lung disease in ex-mineworkers--who answers the alarm?
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D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*; D008297:Male; D008906:Mining; D009784:Occupational Diseases / Q000453:epidemiology*; D011009:Pneumoconiosis / Q000453:epidemiology; D013019:South Africa / Q000453:epidemiology; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology