title: Roentgen pathological correlations in coal workers' pneumoconiosis.
mesh_terms: D003031:Coal; D003032:Coal Mining; D004391:Dust; D006801:Humans; D008168:Lung / Q000473:pathology; D010414:Pennsylvania; D011009:Pneumoconiosis / Q000145:classification / Q000000981:diagnostic imaging* / Q000473:pathology; D011656:Pulmonary Emphysema / Q000150:complications / Q000000981:diagnostic imaging / Q000209:etiology; D011658:Pulmonary Fibrosis / Q000000981:diagnostic imaging; D011660:Pulmonary Heart Disease / Q000150:complications; D011859:Radiography; D012822:Silicon Dioxide
chemical_list: D003031:Coal; D004391:Dust; D012822:Silicon Dioxide