1. Gray's anatomy;Gray,1973
2. Benign cystic lesions of the jaws;Killey,1972
3. Median anterior maxillary cysts;Meyer;J. Am. Dent. Assoc.,1931
4. Statistical package for the social sciences;Nie,1975
5. Cysts of developmental origin in the premaxillary region with special reference to their diagnosis;Roper-Hall;Br. Dent. J.,1938