1. Affinity of fluoride to salivary components;Birkeland;Caries Res.,1972
2. The relation between the fluoride concentrations in the dental plaque and in drinking water;Dawes;Br. dent. J.,1965
3. The colormetric determination of phosphorus;Fiske;J. biol. Chem.,1925
4. Side effects of chlorhexidine mouth washes;Flötra;Scand. J. dent. Res.,1971