title: The D.C. heroin epidemic: progress report.
mesh_terms: D004219:District of Columbia; D004335:Drug and Narcotic Control; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000009:adverse effects / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000188:drug therapy / Q000453:epidemiology*; D014481:United States
chemical_list: D003932:Heroin; D008691:Methadone