Epidural analgesia after scoliosis surgery: electrophysiologic and clinical assessment of the effects of bupivacaine 0.125% plus morphine versus ropivacaine 0.2% plus morphine.
Epidural analgesia after scoliosis surgery: electrophysiologic and clinical assessment of effects of bupivacaine 0.125% plus morphine versus ropivacaine 0.2% plus morphine