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Submitted on: 09 March 2011.
Revised on: 03 April 2011.
Accepted on: 23 April 2011.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS
Submitted on: 28 April 2001.
Revised on: 28 July 2001.
Accepted on: 11 August 2001.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS
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Submitted on: 19 January 2015.
Revised on: 17 May 2015.
Accepted on: 17 June 2015.
___________________Journal of Addiction Medicine---LIPPINCOTT WILLIAMS & WILKINS