Correlation of radiological category with lung pathology in coal-workers' pneumoconiosis.
D055008:Anthracosis; D003031:Coal; D003032:Coal Mining; D006801:Humans; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011859:Radiography; D011871:Radiology
D003031:Coal
COAL MINING; PNEUMOCONIOSIS/radiography