Dr. Sriram Chandra Das, Dr. Satyanarayan Bhujabal, and Dr. D.V. Ravi Kumar, “Incidence and Factors Associated with Postoperative Nausea and Vomiting Following Elective Surgery Under General Anaesthesia: A Retrospective Observational Study”, IJPRT, vol. 16, no. 2, pp. 5031–5038, Sep. 2026.