BuprenorphineNaltrexoneNarcotic AntagonistsOpioid-Related DisordersNarcoticsOpiate Substitution TreatmentAnalgesics, OpioidNaloxoneMethadoneHeroin DependenceMorphinansAdministration, SublingualReceptors, Opioid, muMethadyl AcetateReceptors, OpioidMorphineSubstance Withdrawal SyndromeHeroinNalbuphineAlcoholismNeonatal Abstinence SyndromeHydromorphoneDose-Response Relationship, DrugNalorphineTaurineBehavior, AddictiveLevorphanolSubstance Abuse DetectionDelayed-Action PreparationsReceptors, Opioid, kappaDouble-Blind MethodReceptors, Opioid, deltaOpioid PeptidesAlcohol AbstinenceDrug InteractionsButorphanolDiprenorphineDisulfiramTemperancePain MeasurementAnalgesicsOpiate AlkaloidsEuphoriaSubstance Abuse Treatment CentersMorphine DependenceFentanylDrug CombinationsTreatment OutcomeAnalgesiaThiazinesEthanolSelf AdministrationEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Prescription Drug DiversionPrescription Drug MisusePupilEndorphinsTramadolbeta-EndorphinEthylketocyclazocineConditioning, OperantTransdermal PatchMetabolic Detoxication, DrugSubstance-Related DisordersCocaine-Related DisordersDrug ToleranceSheltered WorkshopsDrug and Narcotic ControlStreet Drugs