EXAMINING THE VARIATIONS IN INTRAVENOUS AND PERINEURAL DEXMEDETOMIDINE SEDATED BRACHIAL PLEXUS BLOCK DURING A SPECIFIC APPROACH IN UPPER LIMB ORTHOPAEDIC SURGERY. International Research Journal of Pharmacy, [S. l.], v. 14, n. 12, p. 6–10, 2023. Disponível em: https://irjponline.org/index.php/irjp/article/view/81. Acesso em: 17 apr. 2026.