Submitted on: 28 March 2005.
Revised on: 11 May 2005.
Accepted on: 09 July 2005.
___________________CIRCULATION RESEARCH---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 25 July 2001.
Revised on: 10 October 2001.
Accepted on: 30 October 2001.
___________________CIRCULATION RESEARCH---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 25 February 2004.
Revised on: 21 June 2004.
Accepted on: 24 July 2004.
___________________CIRCULATION RESEARCH---LIPPINCOTT WILLIAMS & WILKINS
Submitted on: 04 January 2014.
Revised on: 09 February 2014.
Accepted on: 30 March 2014.
___________________CIRCULATION RESEARCH---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 31 October 2004.
Revised on: 23 February 2005.
Accepted on: 23 March 2005.
___________________CIRCULATION RESEARCH---LIPPINCOTT WILLIAMS & WILKINS