title: Alcohol and drug use among teenagers.
authors.affiliation: Division of Adolescent Medicine and Department of Paediatrics, Hospital for Sick Children, Toronto, Ont.
authors.forename: Karen
authors.initials: K
authors.lastname: Leslie
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000367:Age Factors; D000437:Alcoholism / Q000175:diagnosis* / Q000453:epidemiology*; D001294:Attitude to Health; D002170:Canada / Q000453:epidemiology; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012042:Registries; D018570:Risk Assessment; D012424:Rural Population; D012720:Severity of Illness Index; D017678:Sex Distribution; D019966:Substance-Related Disorders / Q000175:diagnosis* / Q000453:epidemiology*; D016019:Survival Analysis; D014505:Urban Population