“PERIOPERATIVE ANALGESIC EFFICACY OF THE ERECTOR SPINAE PLANE BLOCK WITHIN A MULTIMODAL ANESTHESIA PROTOCOL FOR OPEN THORACOLUMBAR SPINAL FIXATION SURGERY”, Macedonian J Anaesth, vol. 10, no. 2, pp. 25–36, Jul. 2026, doi: 10.67214/y2vqzw55.