Dutch courage.
Sheldon
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D003932:Heroin / Q000627:therapeutic use*; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009294:Narcotics / Q000627:therapeutic use*; D009426:Netherlands; D010865:Pilot Projects; D016320:Substance Abuse Treatment Centers
D009294:Narcotics; D003932:Heroin; D008691:Methadone