title: Irregular opacities in coalworkers' pneumoconiosis--correlation with pulmonary function and pathology.
mesh_terms: D003032:Coal Mining; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography