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Submitted on: 13 May 2005.
Revised on: 31 August 2005.
Accepted on: 04 October 2005.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
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Submitted on: 30 March 2014.
Revised on: 28 April 2014.
Accepted on: 14 May 2014.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
Submitted on: 04 May 2004.
Revised on: 16 June 2004.
Accepted on: 13 July 2004.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
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