Dependence symptoms in young cannabis users? A prospective epidemiological study

A. NOCON ; H. U. WITTCHEN ; H. PFISTER ; P. ZIMMERMANN ; R. LIEB | 2006
Périodique

ENGLISH : AIM: To examine prospectively over a period of 4 years the profile of cannabis dependence and the risk of specific dependence criteria in a community sample of adolescents. METHODS: A representative community sample of 2446 young adu[...]

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Pathways into ecstasy use: The role of prior cannabis use and ecstasy availability

P. ZIMMERMANN ; H. U. WITTCHEN ; F. WASAK ; A. NOCON ; M. HÖFLER ; R. LIEB | 2005
Périodique

ENGLISH : Aim : To explore the role of cannabis use for the availability of ecstasy as a potential pathway to subsequent first ecstasy use. Methods: Baseline and 4-year follow-up data from a prospective-longitudinal community study of original[...]

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