Adl, A., Sobhnamayan, F., Sadat Shojaee, N., Tahmasebi Azad, F., & Bahmani, M. (2017). Effect of Propylene Glycol on the Sealing Ability of Mineral Trioxide Aggregate and Calcium-Enriched Mixture Cement Apical Barriers. Iranian Endodontic Journal, 12(3), 318–322. https://doi.org/10.22037/iej.v12i3.15670