title: One model for a methadone maintenance program to serve a community of catchment area size up to 250,000 people.
mesh_terms: D002140:California; D003156:Community Mental Health Services; D006276:Health Facility Size; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*
chemical_list: D008691:Methadone