By Witteveen Ewald   Schippers Gerard   in Substance Use & Misuse

ISSN:1082-6084|41|6-7|835-836

Informa Healthcare‎(2006)‎

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By Schippers Gerard M.   Nelissen Henri   in Addiction Research and Theory

ISSN:1606-6359|14|1|51-58

Informa Healthcare‎(2006)‎

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By Witteveen Ewald   Van Ameijden Erik   Schippers Gerard   in Substance Use & Misuse

ISSN:1082-6084|41|6-7|1001-1016

Informa Healthcare‎(2006)‎

Access to resources Favorite 11.449565

By Broekman Theo   Schippers Gerard   Koeter Maarten   van den Brink Wim   in Journal of Substance Use

ISSN:1465-9891|9|3-4|147-155

Radcliffe Press‎(2004)‎

Access to resources Favorite 9.541304

By Witteveen Ewald   van Ameijden Erik J. C.   Prins Maria   Schippers Gerard M.   in Substance Use & Misuse

ISSN:1082-6084|42|6|933-947

Informa Healthcare‎(2007)‎

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