NaltrexoneNarcotic AntagonistsReceptors, Opioid, muAlcoholismOpioid-Related DisordersNarcoticsReceptors, OpioidMorphineTaurineMethadyl AcetateHeroin DependenceAlcohol AbstinenceNalorphineDisulfiramNalbuphineTemperanceDelayed-Action PreparationsSubstance Withdrawal SyndromeAnalgesics, OpioidBuprenorphineNaloxoneBehavior, AddictiveEthanolHydromorphoneEndorphinsHeroinReceptors, Opioid, deltaSheltered WorkshopsOpioid PeptidesReceptors, Opioid, kappaDouble-Blind MethodMorphine DependenceDose-Response Relationship, DrugAlcohol DrinkingEuphoriaEnkephalin, Ala(2)-MePhe(4)-Gly(5)-MethadoneContractsGeorgia (Republic)Opiate Substitution TreatmentPruritus