HEMODYNAMIC STABILITY AND POSTOPERATIVE ANALGESIC OUTCOMES OF ULTRASOUND-GUIDED ERECTOR SPINAE PLANE BLOCK VERSUS THORACIC EPIDURAL ANALGESIA IN MAJOR ABDOMINAL SURGERIES: A COMPARATIVE OUTCOME ANALYSIS. A-JMRHS. 2026;4(2):1987-1995. doi:10.65605/a-jmrhs.2026.v04.i02.pp1987-1995