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. SAJMSHS. 2025;1(1):32-39. doi:10.65429/SAJMSHS.2025.v01.i01.1-6