title: [Drugs and youth; successful and unsuccessful prevention attempts (problems set by technics of information].
mesh_terms: D000293:Adolescent; D002188:Cannabis; D006801:Humans; D019966:Substance-Related Disorders / Q000517:prevention & control*; D013557:Switzerland
vernacular_title: La drogue chez les jeunes: heurs et malheurs des tentatives de prévention.