[Beta-carotene. Provitamin A, a nutritional factor for protection from certain cancers].
D002338:Carotenoids / Q000378:metabolism*; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*; D009751:Nutritional Requirements; D019207:beta Carotene
D019207:beta Carotene; D002338:Carotenoids
Beta-caroteno. Pro-vitamina A, factor alimentar de protecção de certos cancros.