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Submitted on: 12 January 2002.
Revised on: 30 April 2002.
Accepted on: 16 May 2002.
___________________JOURNAL OF PAIN & PALLIATIVE CARE PHARMACOTHERAPY
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Submitted on: 14 July 1999.
Revised on: 08 August 1999.
Accepted on: 26 September 1999.
___________________JOURNAL OF PAIN & PALLIATIVE CARE PHARMACOTHERAPY
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