1. Fusion and gemination in one dental arch: report of case;Croll;J Dent Child,1981
2. A retrospective study of “geminated” and “fused” teeth in children;Brook;Br Dent J,1970
3. Gemination, fusion, twinning and concrescence;Levitas;J Dent Child,1965
4. Congenital dental anomalies occurring in 3,557 children;Clytin;J Dent Child,1956
5. Bilateral connation of primary molars: report of a case;Gersh;J Dent Child,1973