1. Analysis of fluoride ion concentrations and in vitro fluoride uptake from different commercial dentifrices;Itthagarun;Int Dent J,1996
2. Changes in the prevalence of dental caries in U.S. school children, 1961–1980;Brunelle;J Dent Res,1982
3. Changing patterns of disease in the western world;Downer,1984
4. Changes in caries prevalence of Isle of Lewis children between 1971 and 1981;Hargreaves;Caries Res,1983
5. Recent changes in dental caries;Jenkins;Br Med J,1985