1. Fluorine and dental caries;Blayney;JADA,1967
2. Study of the pattern and combinations of congenitally missing teeth in man;Brekhus;J Dent Res,1944
3. Incidence of supernumerary and congenitally missing teeth;Byrd;J Dent Child,1943
4. Deficient dentition;Dolder;Dent Rec,1937
5. Consecutive six-year study of the prevalence of congenitally missing teeth in private pedodontic practice of two geographically separated areas;Glenn;J Dent Child,1964