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Submitted on: 23 August 2012.
Revised on: 16 November 2012.
Accepted on: 26 December 2012.
___________________JBI Evidence Implementation---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 07 May 2000.
Revised on: 25 July 2000.
Accepted on: 18 August 2000.
___________________JBI Evidence Implementation---LIPPINCOTT WILLIAMS & WILKINS
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