Some consideration of coal workers' pneumoconiosis.
D003032:Coal Mining; D004812:Epidemiologic Methods; D006331:Heart Diseases / Q000209:etiology; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology; D008400:Mass Chest X-Ray; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology; D012494:Sampling Studies; D014481:United States