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Regional Anesthesia and Pain Medicine > 2008 > 33 > 5 > 389-394
Journal of Pain and Symptom Management > 2007 > 34 > 2 > 201-208
Regional Anesthesia and Pain Medicine > 2008 > 33 > 5 > 389-394
Journal of Pain and Symptom Management > 2007 > 34 > 2 > 201-208