Clonidine as adjuvant to 0.75% ropivacaine in supraclavicular brachial plexus block for post operative analgesia: A single blind randomized controlled trial. International Journal of Biomedical Research, [S. l.], v. 5, n. 5, p. 327–329, 2014. DOI: 10.7439/ijbr.v5i5.620. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/1006.. Acesso em: 19 oct. 2024.