title: Epidemiologic and histologic observations on lung cancer in pneumoconiosis population.
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications* / Q000453:epidemiology; D008297:Male; D008669:Metallurgy; D008875:Middle Aged; D011792:Quebec; D012829:Silicosis / Q000150:complications* / Q000453:epidemiology