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Submitted on: 15 May 2008.
Revised on: 03 June 2008.
Accepted on: 19 June 2008.
Pain Management Nursing---ELSEVIER SCIENCE INC
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Submitted on: 06 June 2011.
Revised on: 13 July 2011.
Accepted on: 09 August 2011.
Pain Management Nursing
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