1. The chemistry of fluorine;O'Donnell,1973
2. Nutrition and allergies on a request from the commission related to the tolerable upper intake level of fluoride;EFSA J.,2005
3. Fluoride in caries prevention: is the effect pre- or post-eruptive?;Groeneveld;J. Dent. Res.,1990
4. Breastfeeding is protective against dental fluorosis in a nonfluoridated rural area of Ontario, Canada;Brothwell;J. Hum. Lact.,2003
5. Systemic versus topical fluoride;Hellwig;Caries Res.,2004