title: [Counselling with respect to cannabis use: strategies to avoid long-term consequences].
authors.affiliation: Klinik für Psychiatrie & Psychotherapie, Universitätsklinikum Hamburg-Eppendorf. haasen@uke.de
authors.forename: C
authors.initials: C
authors.lastname: Haasen
authors.forename: I
authors.initials: I
authors.lastname: Schäfer
mesh_terms: D000293:Adolescent; D003072:Cognition Disorders / Q000209:etiology / Q000517:prevention & control; D015897:Comorbidity; D003430:Cross-Sectional Studies; D005194:Family Practice; D005858:Germany; D006801:Humans; D002189:Marijuana Abuse / Q000150:complications* / Q000453:epidemiology / Q000534:rehabilitation; D001523:Mental Disorders / Q000209:etiology / Q000517:prevention & control; D009042:Motivation; D010353:Patient Education as Topic; D012307:Risk Factors