title: Substance abuse.
authors.forename: D I
authors.initials: DI
authors.lastname: Macdonald
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D006293:Health Promotion; D006801:Humans; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000517:prevention & control / Q000639:trends; D014481:United States