Does coal workers' pneumoconiosis predict to lung cancer? Some evidence from a case-control study.
D003032:Coal Mining; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000150:complications* / Q000453:epidemiology / Q000209:etiology; D014903:West Virginia