1. Calcifications in the pulp;Willman;Bur,1934
2. Pathology of the dental pulp;Hill;J Am Dent Assoc,1934
3. Hereditary defects in dentin;Witkop;Dent Clin North Am,1975
4. Pulp stones throughout the dentition of monozygotic twins: a case report;VanDenBerghe;Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1999
5. Oral and Maxillofacial Pathology;Neville,1995