Submitted on: 02 June 2006.
Revised on: 07 August 2006.
Accepted on: 13 September 2006.
___________________Gastroenterology Nursing---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 05 December 2003.
Revised on: 22 February 2004.
Accepted on: 05 March 2004.
___________________Gastroenterology Nursing---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 06 October 2010.
Revised on: 17 November 2010.
Accepted on: 05 December 2010.
___________________Gastroenterology Nursing---LIPPINCOTT WILLIAMS & WILKINS