Plascencia, H., M. Díaz, P. Cholico, M. del Real, and S. Márquez-de Alba. “Accidental Contamination With Oil During Endodontic Surgery”. Iranian Endodontic Journal, vol. 11, no. 4, Sept. 2016, pp. 344-6, doi:10.22037/iej.v11i4.12677.