BarbituratesNarcoticsSecobarbitalPentobarbitalAmobarbitalThiopentalNalorphineDrug and Narcotic ControlBarbitalMethohexitalLevorphanolOpiumMeperidinePhenobarbitalLevallorphanMephobarbitalNarcotic AntagonistsPentazocineHypnotics and SedativesMorphineAnalgesics, OpioidGABA ModulatorsHexobarbitalAlphaprodineCyclazocineFentanylMorphinansReceptors, GABA-AThiamylalLegislation, DrugAnestheticsGas PoisoningDextropropoxypheneEmbalmingMethaqualoneOpioid-Related DisordersMethadoneOxymorphoneSubstance-Related DisordersPrimidoneSubstance Withdrawal SyndromeGlutethimideBenzodiazepinesAnalgesicsCodeineHeroinDrug ToleranceAnesthesiaMeprobamateNitrous OxideMacedonia (Republic)Pain, PostoperativeFlurazepamPreanesthetic MedicationPicrotoxinStreet DrugsDiazepamPhenytoinChlormethiazoleFluorescence Polarization Immunoassay