Lung cancer and exposure to tobacco smoke in the household.
D002338:Carotenoids / Q000097:blood; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008297:Male; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*; D019207:beta Carotene
D014028:Tobacco Smoke Pollution; D019207:beta Carotene; D002338:Carotenoids