Pneumoconiotic lesions in bituminous coal miners and metal miners.
D003032:Coal Mining; D006801:Humans; D007390:International Agencies; D008297:Male; D008906:Mining; D011009:Pneumoconiosis / Q000145:classification / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011859:Radiography; D014481:United States; D014492:United States Public Health Service