IsofluraneAnesthetics, InhalationMethyl EthersAnesthesia, InhalationHalothaneAnestheticsAnesthesia Recovery PeriodEnfluraneNitrous OxideAnesthetics, IntravenousPropofolEthersFentanylAnesthesia, GeneralHemodynamicsLaryngismusAnesthesiaDose-Response Relationship, DrugAnesthesia, Closed-CircuitMonitoring, IntraoperativeAnesthesia, IntravenousDogsBarium CompoundsHeart RatePartial PressureAnesthetics, CombinedBlood Gas AnalysisDepression, ChemicalElectroencephalographyPulmonary AlveoliAutonomic Nerve BlockBlood PressureIschemic Preconditioning, MyocardialCarbon DioxideIntracranial PressureMyocardial ContractionAnesthetics, GeneralCalcium HydroxideMedetomidineThiopentalHydrocarbons, HalogenatedClioquinolPotassium CompoundsShiveringXenonPreanesthetic MedicationRats, Sprague-DawleyGynecologic Surgical ProceduresIntubation, IntratrachealDrug InteractionsAndrostanolsSurgical Procedures, OperativeNeurosurgeryHeartHydrocarbons, FluorinatedCraniotomySodium HydroxideOxygenators, MembraneTropicamideCalcium CompoundsTime FactorsNeuromuscular Nondepolarizing AgentsOxygenSupratentorial NeoplasmsIntraoperative PeriodCerebrovascular CirculationCoronary CirculationGas ScavengersMethoxyfluraneSuccinylcholineDroperidolNeuroprotective AgentsAmbulatory Surgical Procedures