Submitted on: 27 November 2003.
Revised on: 12 February 2004.
Accepted on: 09 April 2004.
___________________JAAPA-Journal of the American Academy of Physician Assistants
Submitted on: 20 March 2008.
Revised on: 28 May 2008.
Accepted on: 30 June 2008.
___________________JAAPA-Journal of the American Academy of Physician Assistants
Submitted on: 04 February 2000.
Revised on: 11 March 2000.
Accepted on: 24 April 2000.
___________________JAAPA-Journal of the American Academy of Physician Assistants
Submitted on: 05 January 2001.
Revised on: 25 February 2001.
Accepted on: 23 April 2001.
___________________JAAPA-Journal of the American Academy of Physician Assistants
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