The risk of cancer and serum vitamin A and E and carotenoids.
D002338:Carotenoids / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000209:etiology*; D012306:Risk; D014801:Vitamin A / Q000097:blood*; D014810:Vitamin E / Q000097:blood*
D014801:Vitamin A; D014810:Vitamin E; D002338:Carotenoids