SWEETY, .-.; KUMAR, S. .; PRASAD, S. . Comparative Study of Tramadol and Nalbuphine as an Adjuvant to Ropivacaine in Supraclavicular Block: A Cross-Sectional Observational Study. International Journal of Medical and Biomedical Studies, [S. l.], v. 9, n. 1, p. 212–216, 2025. DOI: 10.32553/ijmbs.v9i1.3035. Disponível em: https://mail.ijmbs.info/index.php/ijmbs/article/view/3035. Acesso em: 16 apr. 2026.