title: Relation between content and composition of coalworkers' lungs and radiological appearances.
mesh_terms: D002244:Carbon / Q000032:analysis; D003031:Coal / Q000032:analysis*; D003032:Coal Mining; D004391:Dust; D004739:England; D006801:Humans; D007501:Iron / Q000032:analysis*; D008168:Lung / Q000032:analysis* / Q000000981:diagnostic imaging; D008297:Male; D008903:Minerals / Q000032:analysis*; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011658:Pulmonary Fibrosis / Q000000981:diagnostic imaging; D011859:Radiography; D012606:Scotland; D012822:Silicon Dioxide / Q000032:analysis; D013997:Time Factors; D014852:Wales
chemical_list: D003031:Coal; D004391:Dust; D008903:Minerals; D002244:Carbon; D012822:Silicon Dioxide; D007501:Iron