Cury JA, Walsh KI, Vieira W, Ricaldi J. Fluoride concentration in Peruvian salts determined with specific electrode by the direct method. Braz. J. Oral Sci. [Internet]. 2018 Jun. 5 [cited 2024 Apr. 24];17:e18486. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8652655