title: Narcotic blockade--a medical technique for stopping heroin use by addicts.
mesh_terms: D005059:Euphoria; D003932:Heroin / Q000009:adverse effects*; D006801:Humans; D004091:Hydromorphone / Q000627:therapeutic use; D008691:Methadone / Q000008:administration & dosage* / Q000627:therapeutic use*; D009020:Morphine / Q000627:therapeutic use; D013375:Substance Withdrawal Syndrome / Q000517:prevention & control*; D019966:Substance-Related Disorders / Q000188:drug therapy*
chemical_list: D003932:Heroin; D009020:Morphine; D004091:Hydromorphone; D008691:Methadone