BenzodiazepinesAnti-Anxiety AgentsDiazepamChlordiazepoxideAlprazolamFlunitrazepamHypnotics and SedativesLorazepamNarcoticsOxazepamGABA ModulatorsNitrazepamFlumazenilOpiate AlkaloidsReceptors, GABA-ASubstance Abuse DetectionAzabicyclo CompoundsBenzodiazepinonesClonazepamNordazepamFlurazepamEnzyme Multiplied Immunoassay TechniqueOpioid-Related DisordersTemazepamMidazolamNaloxoneMorphineForensic MedicineReceptors, OpioidGABA-A Receptor AgonistsAnalgesics, OpioidSubstance Withdrawal SyndromeBarbituratesCarbolinesMethadoneBromazepamDrug OverdoseGas Chromatography-Mass SpectrometryTriazolamStreet DrugsCodeineSubstance-Related DisordersHeroinPsychotropic DrugsEndorphinsNarcotic AntagonistsEnkephalinsDrug ToleranceDrug PrescriptionsMorphine DerivativesBuprenorphineFluorescence Polarization ImmunoassayClorazepate DipotassiumEtorphineAnticonvulsantsHeroin DependencePentobarbitalOpiumTranquilizing AgentsInappropriate PrescribingReceptors, Opioid, muDose-Response Relationship, DrugDihydromorphineEnkephalin, Leucine-2-Alaninegamma-Aminobutyric AcidSleep Initiation and Maintenance DisordersCyclazocineDrug UtilizationOxycodoneMorphine DependenceDrug InteractionsNaltrexonePregnanoloneAntidepressive AgentsEnkephalin, LeucineEnkephalin, MethionineEthylketocyclazocineEndrinAnxiety DisordersHeptachlor EpoxidePentylenetetrazoleAnalgesicsAlcohol Withdrawal DeliriumGABA AgonistsPrescription DrugsPregnanedionesAntipsychotic AgentsDextropropoxypheneStatus EpilepticusBenzophenonesPoisoningAmphetaminesGABA-A Receptor AntagonistsChromatography, High Pressure LiquidMeprobamateConscious SedationForensic ToxicologyDiprenorphineDeliriumPrescription Drug Misuse