The prevention of dust diseases in coal miners.
D003032:Coal Mining; D004391:Dust / Q000032:analysis; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008452:Maximum Allowable Concentration; D011009:Pneumoconiosis / Q000517:prevention & control*; D011859:Radiography; D014481:United States
D004391:Dust