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2. Rampant Dental Caries: Prevention and Prognosis;Becks;J.A.D.A.,1944
3. The Vipeholm Dental Caries Study;Gustafsson, B. E., and Coauthors;Acta. odont. scandinav.,1954
4. Between-Meal Eating Habits and Dental Caries Experience in Preschool Children;Weiss;Am. J. Pub. Health,1960
5. Studies on the Incidence of Dental Caries;Day;D. Cosmos,1935