Mehrvarzfar, Payman, Anahita Poorhashemi, Fatemeh Khodaei, Behnam Bohlouli, Farzin Sarkarat, Mojdeh Kalantar Motamedi, Mohammad Karim Layegh Nejad, and Sara Zamaheni. “The Effect of Adding Fentanyl to Epinephrine-Containing Lidocaine on the Anesthesia of Maxillary Teeth With Irreversible Pulpitis: A Randomized Clinical Trial”. Iranian Endodontic Journal 9, no. 4 (October 1, 2014): 290–294. Accessed April 20, 2024. https://journals.sbmu.ac.ir/iej/article/view/5855.