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Submitted on: 13 September 2020.
Revised on: 30 November 2020.
Accepted on: 23 December 2020.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
Submitted on: 28 August 2012.
Revised on: 01 October 2012.
Accepted on: 22 November 2012.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
Submitted on: 14 November 2010.
Revised on: 22 December 2010.
Accepted on: 13 January 2011.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
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Submitted on: 01 June 2003.
Revised on: 16 July 2003.
Accepted on: 29 July 2003.
___________________JOURNAL OF PAIN AND SYMPTOM MANAGEMENT