title: Coalworkers' pneumoconiosis.
mesh_terms: D003032:Coal Mining; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging; D011859:Radiography; D012129:Respiratory Function Tests