Silva, J.P.S. da, Nascimento, C.W.A. do, Nascimento, A.X. do, Silva, Y.J.B. da and Biondi, C.M. 2019. Concentrations of major and trace elements in the soils, edible parts of crops and urine of farmers in agroecological communities. Acta Scientiarum. Agronomy. 41, 1 (Mar. 2019), e42623. DOI:https://doi.org/10.4025/actasciagron.v41i1.42623.