Comparative study of 0.375% bupivacaine and 0.375% ropivacaine in brachial plexus block via supraclavicular approach. International Journal of Biomedical Research, [S. l.], v. 6, n. 2, p. 77–82, 2015. DOI: 10.7439/ijbr.v6i2.1601. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/1601. Acesso em: 29 mar. 2026.