title: A comprehensive data system as an essential ingredient of a centralized methadone maintenance treatment program.
mesh_terms: D003201:Computers; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008499:Medical Records; D008691:Methadone / Q000627:therapeutic use; D008722:Methods; D009519:New York City; D009934:Organization and Administration
chemical_list: D008691:Methadone