Mapping residual water fluoride levels and geological patterns in a rural semi-arid area of Brazil. - de Oliveira, Marcos Alexandre Casimiro; Júnior, Alexandre Almeida; de Santana, Ilan Hudson Gomes; de Lima, Cláudia Batista Vieira; de Sousa, Raulison Vieira; Damasceno, Micael Batista; de Souza, Raquel Franco; Drumond, Clarissa Lopes; Sampaio, Fábio Correia (Scientific Reports, 2025)