title: A primer on heroin.
mesh_terms: D003365:Costs and Cost Analysis; D003415:Crime; D004526:Efficiency; D003932:Heroin / Q000266:history; D006556:Heroin Dependence / Q000517:prevention & control / Q000534:rehabilitation; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007880:Legislation, Drug / Q000266:history; D008691:Methadone / Q000627:therapeutic use; D009014:Morals; D009892:Opium; D010207:Papaver; D010946:Plants, Medicinal; D006113:United Kingdom; D014481:United States
chemical_list: D003932:Heroin; D009892:Opium; D008691:Methadone