Meta Analysis
What Epidural Opioid Results in the Best Analgesia Outcomes and Fewest Side Effects After Surgery?: A Meta-Analysis of Randomized Controlled Trials.
Anesth. Analg.. 2014 Oct 1;119(4):965-77.
Randomized Controlled Trial
A comparison of epidural magnesium and/or morphine with bupivacaine for postoperative analgesia after cesarean section.
Int J Obstet Anesth. 2012 Oct 1;21(4):310-6.
Randomized Controlled Trial
Patient-controlled thoracic epidural infusion with ropivacaine 0.375% provides comparable pain relief as bupivacaine 0.125% plus sufentanil after major abdominal gynecologic tumor surgery.
Reg Anesth Pain Med. 2002 Jul 1; 27 (4): 367-73.