title: Perceptions of risk and vulnerability.
authors.forename: Susan G
authors.initials: SG
authors.lastname: Millstein
authors.forename: Bonnie L
authors.initials: BL
authors.lastname: Halpern-Felsher
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology*; D015438:Health Behavior; D006801:Humans; D010465:Perception / Q000502:physiology*; D012306:Risk; D012309:Risk-Taking