1. La fusion et la gemination des dents temporaires au regard des definitives.;Gysel;Rev Belge Med Dent,1965
2. Pathology of the hard dental tissues.;Pindborg,1970
3. Endodontics.;Ingle,1965
4. The relationship of endodontic-periodontic lesions.;Simon;J Periodontol,1972
5. Projection of cervical enamel into molar furcations.;Masters;J Periodontol,1964