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