1: Kozarovich LH

Kundra P, Gurnani A, Bhattacharya A: Preemptive epidural morphine for postoperative pain relief after lumbar laminectomy. Anesth Analg 1997, 85:135-138. Subramaniam B, Pawar DK, Kashyap L: Pre-emptive analgesia with epidural morphine or morphine and bupivacaine. Anaesth Intensive Care … ................
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