Ahmed, Sarfaraz, et al. “A Comparative Study of Propofol Based Total Intravenous Anesthesia and Sevoflurane Based Volatile Induction and Maintenance Anesthesia on Post-Operative Recovery Profile in Elective Tonsillectomy”. Asian Journal of Medical Sciences, vol. 12, no. 12, Dec. 2021, pp. 147-54, https://nepjol.info/index.php/AJMS/article/view/39839.