Silva, J. P. S. da; Nascimento, C. W. A. do; Nascimento, A. X. do; Silva, Y. J. B. da; Biondi, C. M. Concentrations of Major and Trace Elements in the Soils, Edible Parts of Crops and Urine of Farmers in Agroecological Communities. Acta Sci. Agron. 2019, 41, e42623.