title: The prevalence of coal workers' pneumoconiosis in US coal miners.
mesh_terms: D000328:Adult; D003032:Coal Mining; D004391:Dust / Q000032:analysis; D004651:Employment; D004781:Environmental Exposure; D005843:Geography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology; D011009:Pneumoconiosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011658:Pulmonary Fibrosis / Q000453:epidemiology; D011859:Radiography; D013147:Spirometry; D013997:Time Factors; D014481:United States
chemical_list: D004391:Dust