Dr Punyaa Kamal, Dr Jayashree Sali, Dr Sunita Sankalecha, Dr Nakshatra Sali, Dr Pranita Gore. “Comparative Evaluation of Buprenorphine and Tramadol As Adjuvants to Ropivacaine in Ultrasound-Guided Supraclavicular Brachial Plexus Block for Humeral Procedures”. International Journal of Pharmacy Research & Technology (IJPRT), vol. 16, no. 2, Aug. 2026, pp. 2326-37, https://ijprt.org/index.php/pub/article/view/2683.