Ghanbarzadegan, A., Ajami, M., & Aminsobhani, M. (2019). The Effect of Different Combinations of Calcium Hydroxide as Intra-Canal Medicament on Endodontic Pain: A Randomized Clinical Trial Study. Iranian Endodontic Journal, 14(1), 1–6. https://doi.org/10.22037/iej.v14i1.22815