Epidemiologic study of occupational lung cancer.
D000328:Adult; D004781:Environmental Exposure; D005740:Gases / Q000009:adverse effects; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000401:mortality*; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D011446:Prospective Studies
D005740:Gases