title: The social functioning of opiate maintenance clinics in London and New York City.
mesh_terms: D003362:Cost-Benefit Analysis; D005380:Financing, Government; D003932:Heroin / Q000627:therapeutic use*; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008131:London; D008691:Methadone / Q000627:therapeutic use*; D009313:National Health Programs; D009519:New York City; D010348:Patient Care Team
chemical_list: D003932:Heroin; D008691:Methadone