S, P., P. Patel Hs, C. Tn, and R. R. “Effectiveness Of Nalbuphine As An Adjuvant To Ropivacaine In Ultrasound Guided Supraclavicular Brachial Plexus Block - A Randomised Control Study”. Journal of Neonatal Surgery, vol. 14, no. 32S, July 2025, pp. 5422-8, https://www.jneonatalsurg.com/index.php/jns/article/view/8318.