title: An epidemiologist's view of the relationship between simple pneumoconiosis and morbidity and mortality.
mesh_terms: D000328:Adult; D000368:Aged; D003032:Coal Mining; D004185:Disability Evaluation; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000401:mortality* / Q000503:physiopathology; D012494:Sampling Studies