1. W.M. Edmunds, P.L. Smedley, Groundwater geochemistry and health: an overview, in: Appleton, Fuge, McCall (Eds.), Environmental Geochemistry and Health, Geological Society Special Publication, vol. 113, 1996, pp. 91–105.
2. World Health Organization (WHO), in: K. Bailey, J. Chilton, E. Dahi, M. Lennon, P. Jackson, J. Fawell (Eds.), Fluoride in Drinking-water, WHO Press, Switzerland, 2006.
3. Fate of fluorosilicate drinking water additives;Urbansky;Chem. Rev.,2002
4. Micronutrients in parenteral nutrition: boron, silicon, and fluoride;Nielsen;Gastroenterology,2009
5. National Research Council (NRC), Fluoride in drinking-water, A scientific review of EPA's standards, Washington DC, 2006.