Bioavailability of mineral elements in the brazilian basic food system of rice and beans - De Angelis, Rebeca Carlota; Mauron, J.; Finot, P. A.; Besson, Rene; Vodoz, G.; Rogano, R. N.; Giuli, Geza Guaranha; Vechia, Marilena Grzegorzewska (Nutrition Research, 1985)