1. The porous outer enamel of unerupted human premolars;Crabb;Caries Res.,1976
2. Diagnosis of dental fluorosis;Deutsch;J. dent. Res.,1979
3. Pharmacokinetics of fluoride gels in children and adults;Ekstrand;Caries Res.,1981
4. An epidemiological index of developmental defects of enamel;F.D.I. Technical Report;Int. dent. J.,1982
5. The ulstrastructure of fluorosed human dental enamel;Fejerskov;Scand. J. dent. Res.,1974