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Boulanger A, Choinière M, Roy D, Bouré B, Chartrand D, Choquette R, Rousseau P. Comparison between patient-controlled analgesia and intramuscular meperidine after thoracotomy. Can J Anaesth. 1993 May;40(5 Pt 1):409–15. doi: 10.1007/bf03009508. PMID: 8513519. |