Respiratory disease in coal miners.
D001991:Bronchitis / Q000453:epidemiology; D002908:Chronic Disease; D003032:Coal Mining; D003365:Costs and Cost Analysis; D006801:Humans; D007883:Legislation, Medical; D009784:Occupational Diseases; D011009:Pneumoconiosis / Q000145:classification / Q000000981:diagnostic imaging; D011658:Pulmonary Fibrosis / Q000453:epidemiology; D011859:Radiography; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012907:Smoking / Q000150:complications; D014481:United States; D014942:Workers' Compensation