title: Movement of heroin addicts between drug treatment programs.
mesh_terms: D000328:Adult; D003153:Community Health Services / Q000706:statistics & numerical data*; D003258:Consumer Behavior; D003695:Delivery of Health Care; D005260:Female; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D008875:Middle Aged; D009042:Motivation; D009519:New York City
chemical_list: D008691:Methadone