Nassaj, A.E. et al. 2023. Comparative Efficacy of Analgesics for Pain Relief in Patients with Symptomatic Irreversible Pulpitis Prior to Emergency Endodontic Treatment: A Randomized Controlled Trial. Iranian Endodontic Journal. 18, 4 (Sep. 2023), 194–201. DOI:https://doi.org/10.22037/iej.v18i4.35469.