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Submitted on: 22 October 2010.
Revised on: 24 December 2010.
Accepted on: 10 February 2011.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 05 December 2000.
Revised on: 07 January 2001.
Accepted on: 18 January 2001.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 10 November 2014.
Revised on: 11 December 2014.
Accepted on: 03 January 2015.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS