Physicochemical or geochemical

• Alarcón-Herrera, M., Martin-Alarcon, D., Gutiérrez, M., Reynoso-Cuevas, L., Martín-Domínguez, A., Olmos-Márquez, M., Bundschuh, J., (2020), Co-occurrence, possible origin, and health-risk assessment of arsenic and fluoride in drinking water sources in Mexico: Geographical data visualization, Science of the Total Environment, 698, 134168, 10.1016/j.scitotenv.2019.134168