Relative importance of smoking as a risk factor for selected cancers.
D000328:Adult; D000368:Aged; D000416:Alberta; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology; D012306:Risk; D012907:Smoking; D013997:Time Factors