1. The closure of open apices in non-vital immature teeth;Mackie;Brit Dent J,1988
2. Induced root apexification following traumatic injuries of the pulp in children: follow-up study;Thäter;J Dent Child,1988
3. Apical closure in a nonvital permanent tooth using one Ca(OH)2) dressing;Chawla;J Dent Child,1986
4. A study of endodontically apexified teeth;Kleier;Endod Dent Traumatol,1991