Supratim Dasgupta, Babita Agrawal, and Priyadershini Rangari. “A Study to Evaluate Sevoflurane With or Without Nitrous Oxide and to Compare It With Propofol As Induction Agent- A Randomized Clinical Trial”. Academia Anesthesiologica International, Vol. 4, no. 2, Dec. 2019, pp. 237-43, doi:10.21276/aan.2019.4.2.54.