1. International workshop on fluorides and dental caries reductions;Forrester,1974
2. Prescribing fluoride supplements;American Dental Association,1977
3. Fluoride supplements for prophylaxis of caries;Nikiforuk;J Can Dent Assoc,1975
4. Fluoride tablets in the prevention of tooth decay;Hoskova;Cesk Pediatr,1968
5. The clinical anticarlogenic effectiveness of supplementary fluoride-vitamin preparations. Results at the end of five and a half years;Hennon;J Phar Ther Dent,1970