SANGHVI, K. S.; SHAH, V. A.; PATEL, K. D. Comparative study of bupivacaine alone and bupivacaine along with buprenorphine in axillary brachial plexus block: a prospective, randomized, single blind study. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 2, n. 5, p. 640–644, 2017. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/1333. Acesso em: 24 oct. 2025.