Ashraf, Hengameh, and Mahsa Eskandarinezhad. 2010. “Biological Apexogenesis of Undeveloped Tooth in a Patient With Spondyloepiphyseal Dysplasia: A Case Report”. Iranian Endodontic Journal 5 (2):93-96. https://doi.org/10.22037/iej.v5i2.1653.