“PERIOPERATIVE ANALGESIC EFFICACY OF THE ERECTOR SPINAE PLANE BLOCK WITHIN A MULTIMODAL ANESTHESIA PROTOCOL FOR OPEN THORACOLUMBAR SPINAL FIXATION SURGERY”. (2026) 2026. Macedonian Journal of Anaesthesia 10 (2): 25-36. https://doi.org/10.67214/y2vqzw55.