title: Editor's introduction. The crack epidemic revisited.
authors: J A
authors: JA
authors: Inciardi
mesh_terms: D016578:Crack Cocaine; D004196:Disease Outbreaks; D006801:Humans; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States
chemical_list: D016578:Crack Cocaine