Key references: Neuraxial (spinal and epidural) blocks for acute pain management

  • Werawatganon T, Charuluxanun S. Patient controlled intravenous opioid analgesia versus continuous epidural analgesia for pain after intra-abdominal surgery. Cochrane Database Syst Rev 2005;(1):CD004088. https://www.ncbi.nlm.nih.gov/pubmed/15674928