PentobarbitalGABA ModulatorsHypnotics and SedativesBarbituratesAdjuvants, AnesthesiaAnestheticsChloraloseEuthanasia, AnimalReceptors, GABA-AAnesthesiaDiazepamXylazineKetamineThiopentalIsofluraneHalothaneDose-Response Relationship, DrugUrethaneDogsgamma-Aminobutyric AcidChloral HydrateDextroamphetamineAnesthetics, GeneralAnesthesia, IntravenousEtherChlordiazepoxideSecobarbitalGABA-A Receptor AgonistsReinforcement SchedulePregnanedionesColumbidaePropofolEtomidateGABA AgonistsPicrotoxinAnesthetics, InhalationBrainTriazolamRats, Sprague-DawleyPhencyclidineGABA-A Receptor AntagonistsAnesthetics, IntravenousAminobenzoatesEthoxzolamideRats, Inbred StrainsMeprobamateAnesthetics, DissociativeSorboseHexobarbitalTime FactorsHypothermia, InducedDrug InteractionsEthanolDiuretics, OsmoticMuscimolDiscrimination LearningCatsMidazolamAnesthesia, General