Toubes, K. M. S. de, P. A. D. de Oliveira, S. N. Machado, V. Pelosi, E. Nunes, and F. F. Silveira. “Clinical Approach to Pulp Canal Obliteration: A Case Series”. Iranian Endodontic Journal, vol. 12, no. 4, Oct. 2017, pp. 527-33, doi:10.22037/iej.v12i4.18006.