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3. Spread of subarachnoid block, intraoperative local anaesthetic requirements and postoperative analgesic requirements in Caesarean section and total abdominal hysterectomy;Fassoulaki;Br J Anaesth,2004
4. Postoperative pain experience: Results from a national survey suggest postoperative pain continues to be undermanaged;Apfelbaum;Anesth Analg,2003
5. Effectiveness of acute postoperative pain management. I. Evidence from published data;Dolin;Br J Anaesth,2002