Cancer epidemiology. Some methodological reflections.
D000328:Adult; D000368:Aged; D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000401:mortality; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced / Q000401:mortality; D008297:Male; D051379:Mice; D008875:Middle Aged; D009369:Neoplasms / Q000139:chemically induced / Q000401:mortality*; D009784:Occupational Diseases / Q000139:chemically induced; D012907:Smoking; D013997:Time Factors