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