1. Diagnosis and Treatment of Traumatic Injuries and Their Sequela;Ingle,1976
2. Clinical Endodontics;Sommer,1956
3. Calcific Metamorphosis of the dental Pulp;Patterson;Oral Surg,1965
4. Calcific Metamorphosis of the Pulp: Its Incidence and Treatment;Holcomb;Oral Surg,1967
5. Luxation of Permanent Teeth Due to Trauma;Andreasen;Scand. J. Dent. Res,1970