title: Is level of interest among cannabis users in self-help materials and other services aimed at reducing problem use?
authors.forename: John
authors.initials: J
authors.lastname: Cunningham
mesh_terms: D000293:Adolescent; D000328:Adult; D001294:Attitude to Health; D015438:Health Behavior; D006801:Humans; D002189:Marijuana Abuse / Q000517:prevention & control* / Q000523:psychology; D009042:Motivation