1. Injured anterior teeth in Children;Gelbier;Br Dent J,1967
2. Dental injuries in 11-13 year-old children;York;NZ Dent J,1978
3. A study of traumatized permanent teeth in children aged 7-15 years. Part I;Hedegärd;Swed Dent J,1973
4. The relationship between trauma and pulp death in incisor teeth;Rock;Br Dent J,1974
5. Time as a factor in predicting the vitality of traumatized teeth;Barkin;J Dent Child,1973