title: [Cannabis: the gateway theory or comorbid substance use?].
authors.affiliation: Centre d'enseignement, de recherche et de traitement des addictions, hôpital universitaire Paul-Brousse, AP-HP, université Paris-Sud 11, CEA-Inserm U1000, 94800 Villejuif, France. laurent.karila@pbr.aphp.fr
authors.forename: Laurent
authors.initials: L
authors.lastname: Karila
authors.affiliation: Centre d'enseignement, de recherche et de traitement des addictions, hôpital universitaire Paul-Brousse, AP-HP, université Paris-Sud 11, Inserm U669, 94800 Villejuif, France.
authors.forename: Sarah
authors.initials: S
authors.lastname: Coscas
authors.affiliation: Service d'addictologie, CHRU de Lille, hôpital Fontan, France.
authors.forename: Olivier
authors.initials: O
authors.lastname: Cottencin
authors.affiliation: Centre d'enseignement, de recherche et de traitement des addictions, hôpital universitaire Paul-Brousse, AP-HP, université Paris-Sud 11, Inserm U669, 94800 Villejuif, France.
authors.forename: Amine
authors.initials: A
authors.lastname: Benyamina
mesh_terms: D000293:Adolescent; D000328:Adult; D002188:Cannabis / Q000009:adverse effects*; D015897:Comorbidity; D006801:Humans; D008385:Marijuana Smoking / Q000453:epidemiology* / Q000523:psychology; D008875:Middle Aged; D008962:Models, Theoretical; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000209:etiology*; D055815:Young Adult