1. Distribution in body fluids and soft tissues;Armstrong,1970
2. The assessment of fluoridation as a preventive measure in relation to dental caries;Backer Dirks;Br. dent J.,1963
3. Water fluoridation;Backer Dirks;R. Soc. Hlth. J.,1971
4. The role of the enamel matrix in fluoride uptake;Blair,1968
5. The distribution of fluoride in human enamel;Brudevold;J. dent Res.,1956