A. . Ali, I. . Ahmed, K. . Ali, M. H. . Raza, Z. . Mahmood, and A. . Aftab, “Effectiveness of Ketamine Gargles in Prevention of Post-Operative Sore Throat in Patients Undergoing Endotracheal Intubation”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 02, p. 343, Mar. 2022.