Youvaraj M, Jitendra Agrawal, Brajesh Kumar, Sourabh Shrivastava, and Preeti Goyal. “A Prospective Randomized Study to Compare Hemodynamic Changes and Post-Operative Outcome of Intravenous Buprenorphine Versus Epidural Buprenorphine in Patients Undergoing Abdominal Surgeries under General Anesthesia”. Asian Journal of Medical Sciences, vol. 14, no. 6, June 2023, pp. 51-56, doi:10.3126/ajms.v14i6.52388.