Post-operative analgesic efficacy of 0.25% ropivacaine with dexmedetomidine versus dexamethasone as an adjuvant in bilateral superficial cervical plexus block for thyroidectomy under general anaesthesia among the cardiac patients - A comparative randomize. South Asia Journal Of Medical Synergy And Health Sciences, [S. l.], v. 1, n. 1, p. 32–39, 2025. DOI: 10.65429/SAJMSHS.2025.v01.i01.1-6. Disponível em: https://umedpress.com/index.php/SAJMSHS/article/view/6. Acesso em: 2 nov. 2026.