Silva, C. R. ., Viglio, E., & Quintarelli, J. M. (2020). Geochemical megaprovince of fluorine and endemic fluorosis in the middle São Francisco river, Minas Gerais-Bahia, Brazil. Journal of the Geological Survey of Brazil, 3(3), 211–224. https://doi.org/10.29396/jgsb.2020.v3.n3.5