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Submitted on: 22 October 2010.
Revised on: 26 December 2010.
Accepted on: 30 January 2011.
___________________CANADIAN JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY
Submitted on: 15 September 2000.
Revised on: 25 October 2000.
Accepted on: 12 December 2000.
___________________CANADIAN JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY
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Submitted on: 06 August 1999.
Revised on: 07 September 1999.
Accepted on: 04 November 1999.
___________________CANADIAN JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY