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Auteur R. BURKHALTER |
Documents disponibles écrits par cet auteur (2)
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Article : Périodique
Objective: Cannabis markets are evolving in terms of greater diversity and potency of products. The current study examined changes in cannabis use and modes of consumption among 16- to 19-year-olds in three markets with different regulatory fram[...]Article : Périodique
The current study examined the prevalence of alcohol, tobacco and drug use and comorbid use of these substances among 45,425 students in grades 7 to 12 as part of the 2008-09 Canadian Youth Smoking Survey. The results of this paper suggest that [...]