1. New approach to caries prophylaxis, a preliminary report on the use of fluoride applications;Bibby;Tufts Dent Outlook,1942
2. Use of fluorine in the prevention of dental caries. II. Effects of sodium fluoride applications;Bibby;JADA,1944
3. Effect of topically applied sodium fluoride on dental caries experience;Knutson;New York J Dent,1944
4. Evaluation of the effectiveness as a caries control measure of the topical application of solutions of fluorides;Knutson;J Dent Res,1948
5. Evaluation of the use of fluorine as a caries control measure: the effect of topically applied fluorides;Knutson;JADA,1949