Palomino-Delgado, Manuel, et al. “Management of Unfavorable Iatrogenic Perforations During Post Placement Using Mineral Trioxide Aggregate: Report of Two Cases”. Revista Estomatológica Herediana, vol. 31, no. 4, Dec. 2021, pp. 311-6, doi:10.20453/reh.v31i4.4100.