By Proctor Steven L.   Hoffmann Norman G.   in Addiction Research and Theory

ISSN:1606-6359|20|6|492-503

Informa Healthcare‎(2012)‎

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By Kopak Albert M.   Hoffmann Norman G.   in Drugs and Alcohol Today

ISSN:1745-9265|14|2|87-95

Emerald Group Publishing Ltd‎(2014)‎

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By Proctor Steven L.   Hoffmann Norman G.   in Substance Use & Misuse

ISSN:1082-6084|47|7|847-860

Informa Healthcare‎(2012)‎

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By Kopak Albert M.   Proctor Steven Lee   Hoffmann Norman G.   in Substance Use & Misuse

ISSN:1082-6084|47|12|1328-1338

Informa Healthcare‎(2012)‎

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By Hoffmann Norman G.   Bride Brian E.   MacMaster Samuel A.   Abrantes Ana M.   Estroff Todd W.   in Journal of Addictive Diseases

ISSN:1055-0887|23|4|41-53

Haworth Press‎(2004)‎

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