1. Congenital dental anomalies occurring in 3,557 children;Clayton;J Dent Child,1956
2. Gemination; report of two cases;Boyne;J Am Dent Assoc,1955
3. Gemination in the deciduous dentition: report of thirty-one cases;Munro;Br Dent J,1958
4. Gemination;Kanansky;Oral Surg,1978
5. Gemination and fusion;Vegh;Oral Surg,1975