Pinheiro CE, Carvalho AC de, Vono BG, Zaramella A. Preliminary study on the fluor content of the waters of the region of Pereiras (State of São Pau10, Brasil). Rev. Inst. Med. Trop. São Paulo. 1965;7(4):228-232. Accessed July 17, 2024. https://revistas.usp.br/rimtsp/article/view/202103