title: The natural history of a heroin epidemic.
mesh_terms: D001741:Black or African American; D002188:Cannabis; D002641:Chicago; D003365:Costs and Cost Analysis; D003415:Crime; D003932:Heroin / Q000032:analysis; D006801:Humans; D007880:Legislation, Drug; D009021:Morphine Dependence / Q000453:epidemiology* / Q000517:prevention & control / Q000628:therapy; D009524:Newspapers as Topic; D012926:Social Control, Formal
chemical_list: D003932:Heroin