title: Crack use in North American cities: the neglected 'epidemic'.
authors: Benedikt
authors: B
authors: Fischer
authors: Michelle
authors: M
authors: Coghlan
mesh_terms: D019970:Cocaine-Related Disorders / Q000453:epidemiology*; D016578:Crack Cocaine; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D013287:Illicit Drugs; D015994:Incidence; D009656:North America / Q000453:epidemiology; D012307:Risk Factors; D015819:Substance Abuse, Intravenous / Q000453:epidemiology*; D014504:Urban Health
chemical_list: D016578:Crack Cocaine; D013287:Illicit Drugs