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Submitted on: 20 March 2003.
Revised on: 08 July 2003.
Accepted on: 21 July 2003.
___________________Current Opinion in Supportive and Palliative Care
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Submitted on: 14 January 2007.
Revised on: 21 March 2007.
Accepted on: 11 April 2007.
___________________Current Opinion in Supportive and Palliative Care