title: Adolescent initiation of injection drug use.
authors.forename: C
authors.initials: C
authors.lastname: Williams
authors.forename: S
authors.initials: S
authors.lastname: Ashman
authors.forename: I J
authors.initials: IJ
authors.lastname: Robbé
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology*; D000328:Adult; D017677:Age Distribution; D006801:Humans; D011939:Mental Recall; D015203:Reproducibility of Results; D012309:Risk-Taking; D015983:Selection Bias; D015819:Substance Abuse, Intravenous / Q000523:psychology*