RUSTAGI, P.; PATKAR, G. A.; MALPANI, Y.; TENDOLKAR, B. A. Clonidine as an adjuvant to local anesthetic in supraclavicular brachial plexus block: a randomized, double blinded placebo controlled study. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 5, n. 5, p. 1892–1897, 2017. DOI: 10.18203/2319-2003.ijbcp20162849. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/606. Acesso em: 16 apr. 2026.