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Submitted on: 08 January 2001.
Revised on: 19 February 2001.
Accepted on: 08 March 2001.
___________________American Journal of Hospice & Palliative Medicine
Submitted on: 16 December 2016.
Revised on: 12 January 2017.
Accepted on: 28 January 2017.
___________________American Journal of Hospice & Palliative Medicine
Submitted on: 19 November 2011.
Revised on: 06 March 2012.
Accepted on: 27 March 2012.
___________________American Journal of Hospice & Palliative Medicine
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Submitted on: 22 January 2011.
Revised on: 30 April 2011.
Accepted on: 31 May 2011.
___________________American Journal of Hospice & Palliative Medicine
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