Teixeira, R. A., Souza, E. S. de, Ferreira, J. R. and Fernandes, A. R. (2018) “Potentially toxic elements in soils and contamination indices at the serra pelada gold mine, Para, Brazil ”, Bioscience Journal. Uberlândia, MG, 34(6), pp. 1477–1487. doi: 10.14393/BJ-v34n6a2018-39661.