Postoperative Nausea and VomitingChemoreceptor CellsAntiemeticsNauseaDroperidolOndansetronVomitingStomachCarotid BodyMetoclopramideAnesthesia, GeneralGynecologic Surgical ProceduresAcupressureAmbulatory Surgical ProceduresPain, PostoperativeNitrous OxideDouble-Blind MethodGranisetronAnalgesics, OpioidPreanesthetic MedicationAcupuncture PointsSodium CyanidePropofolSerotonin 5-HT3 Receptor AntagonistsAnesthetics, IntravenousAnalgesia, Patient-ControlledPostoperative ComplicationsAnesthesia, ConductionStomach NeoplasmsAnesthesia Department, HospitalFentanylRespirationCarotid SinusAcupunctureAnesthesia Recovery PeriodObstetric Surgical ProceduresCarbon DioxideAnesthesia, IntravenousMyringoplastyMorphineParaganglia, NonchromaffinAnesthesia, InhalationSerotonin AntagonistsChemotaxisAortic BodiesAlfentanilStrabismusProspective StudiesIntraoperative PeriodInjections, IntravenousDexamethasonePruritusAnesthesiaNeostigmineAnesthetics, InhalationIntraoperative CareQuinolizinesAnoxiaHypercapniaSufentanilAnesthesia, ObstetricalStomach DiseasesPressoreceptorsCholecystectomy, LaparoscopicVagotomyLaparoscopyReflexGlossopharyngeal NerveAnesthetics, CombinedTreatment OutcomePiperidinesOxygen Inhalation TherapyOxygenAnestheticsCatsDenervationPhrenic NerveMedulla OblongataRandomized Controlled Trials as TopicDose-Response Relationship, DrugDrug Administration ScheduleSingle-Blind MethodGastric MucosaRespiratory CenterAnalgesia, EpiduralAnesthesia, SpinalMethyl EthersHysterectomyAsphyxiaDrug Therapy, CombinationPain MeasurementNeurons, EfferentStomach UlcerApneaVagus NerveRespiratory MechanicsIsofluranePostoperative PeriodPulmonary VentilationTime Factors