title: A preliminary report on substance use patterns in an adolescent psychiatric population.
authors.forename: John C C
authors.initials: JC
authors.lastname: Chan
authors.forename: Nasreen
authors.initials: N
authors.lastname: Roberts
authors.forename: Kevin
authors.initials: K
authors.lastname: Parker
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D009864:Ontario / Q000453:epidemiology; D010865:Pilot Projects; D015995:Prevalence; D011446:Prospective Studies; D019966:Substance-Related Disorders / Q000453:epidemiology*; D011795:Surveys and Questionnaires