1. Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin,1997
2. An update on fluorides and fluorosis;Levy;J Can Dent Assoc,2003
3. US Public Health Service,2000
4. Estimating rates of new root caries in older adults;Griffin;J Dent Res,2004
5. Fluoride isn't just for kids;Gooch;Dent Abstr,2005