IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-1-54296 Original Research Paper Comparison Of Postoperative Patient-Controlled And Continuous Infusion Epidural Analgesia Versus Intravenous Patient-Controlled Analgesia With Opioids In Major Abdominal Surgery Jinesha Chauhan Dr. Dr. Dushyant Vaidya Dr. January 2024 13 1 01 02