Grilo, E.C. Costa, P.N. Gurgel, C.S.S. Beserra, A.F. de L. Almeida, F.N. de S. Dimenstein, R. Alpha-tocopherol and gamma-tocopherol concentration in vegetable oils Subjects--Topical Terms: OLEO VEGETALVITAMINA EVALOR NUTRITIVOANALISE DE ALIMENTOANALISE COMPARATIVA