title: The classification of chest radiographs for coalworkers' pneumoconiosis. A study of the performance of two readers over a period of six years.
mesh_terms: D055008:Anthracosis; D003032:Coal Mining; D006801:Humans; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011859:Radiography
keywords: COAL MINING; PNEUMOCONIOSIS/radiography