1. Changing concepts in prevention and treatment of dental caries;Massler;J. Tenn. Dent. Assoc.,1968
2. A review of currently available topical fluoride agents;Forrester;J. Dent. Child.,1971
3. Distribution of fluoride in human enamel;Brudevold;J. Dent. Res.,1956
4. Influence of tooth age and natural fluoride level on effectiveness of a single in vitro fluoride application;Nicholson,1968
5. A two year comparison of three topical fluoride agents;Averill;Am. J. Public Health,1967