Determination of essential (Ca, Fe, I, K, Mo) and toxic elements (Hg, Pb) in Brazilian rice grains and estimation of reference daily intake - Batista, Bruno Lemos; Nacano, Letícia Ramos; Freitas, Rodolfo de; Oliveira Souza, Vanessa Cristina de; Barbosa Júnior, Fernando (Food and Nutrition Sciences, 2012)