MidazolamPremedicationHypnotics and SedativesPreanesthetic MedicationAnti-Anxiety AgentsAnalgesicsAnalgesics, OpioidDiazepamConscious SedationAdjuvants, AnesthesiaMeperidineAnxietyBenzodiazepinesPropofolAnalgesics, Non-NarcoticAnesthetics, IntravenousAnesthesia, DentalFentanylLorazepamChlordiazepoxideClonidineGABA ModulatorsKetamineDouble-Blind MethodAcepromazinePainFlumazenilPain MeasurementAnalgesiaAnesthesia Recovery PeriodBuspironePromethazineDose-Response Relationship, DrugDexmedetomidineButorphanolAnesthesia, IntravenousAnesthetics, DissociativeMorphineAlprazolamAnesthesia, GeneralDrug InteractionsPain, PostoperativeDrug HypersensitivityAmbulatory Surgical ProceduresAnxiety, SeparationBehavior, AnimalAdministration, BuccalAdrenergic alpha-AgonistsThiopentalAdministration, OralAnesthesia, InhalationAnesthetics, CombinedNitrous OxideMethyl EthersAnesthetics, InhalationInfusions, IntravenousReceptors, GABA-AMedetomidineDrug ToleranceMaze LearningAdministration, RectalAnestheticsTranquilizing AgentsAnesthesiaDiphenhydramineCytochrome P-450 CYP3ADental AnxietyAnesthesia, LocalMotor ActivityHistamine H1 AntagonistsInjections, IntramuscularInjections, IntravenousCandyOxazepamBicyclo CompoundsButylscopolammonium BromideIntubation, IntratrachealAnesthetics, LocalPhenacetinImidesNeuroleptanalgesiaTramadolGABA-A Receptor AgonistsFlunitrazepamPaclitaxelTime FactorsAnesthesia, SpinalXylazineBelladonna AlkaloidsAntineoplastic Agents, PhytogenicHydroxyzineExploratory BehaviorProspective StudiesAlfentanilAtropineRespirationHeart RateAntidepressive AgentsChloral HydrateDrug Administration Schedule