Postoperative Nausea and VomitingAntiemeticsNauseaDroperidolOndansetronVomitingAnalgesics, OpioidStomachReceptors, Opioid, muMetoclopramideReceptors, OpioidAnesthesia, GeneralGynecologic Surgical ProceduresReceptors, Opioid, deltaAcupressurePain, PostoperativeReceptors, Opioid, kappaAmbulatory Surgical ProceduresNitrous OxideDouble-Blind MethodGranisetronPreanesthetic MedicationAcupuncture PointsOpioid PeptidesMorphineFentanylAnalgesia, Patient-ControlledPropofolAnesthetics, IntravenousSerotonin 5-HT3 Receptor AntagonistsAnesthesia, ConductionPostoperative ComplicationsStomach NeoplasmsAnesthesia Department, HospitalAnesthesia Recovery PeriodAcupunctureObstetric Surgical ProceduresAnesthesia, IntravenousAlfentanilMyringoplastyNarcotic AntagonistsAnesthesia, InhalationProspective StudiesSufentanilStrabismusSerotonin AntagonistsIntraoperative PeriodDexamethasoneInjections, IntravenousPruritusNaloxoneAnesthetics, InhalationNeostigmineIntraoperative CareQuinolizinesAnesthesia, ObstetricalStomach DiseasesPain MeasurementOpioid-Related DisordersCholecystectomy, LaparoscopicPiperidinesNaltrexoneLaparoscopyTreatment OutcomeAnalgesicsAnesthetics, CombinedDose-Response Relationship, DrugAnesthesiaOxygen Inhalation TherapyEnkephalinsDrug Administration ScheduleRandomized Controlled Trials as TopicEnkephalin, Ala(2)-MePhe(4)-Gly(5)-AnestheticsAnalgesia, EpiduralSingle-Blind MethodNarcoticsAnesthesia, SpinalDrug Therapy, CombinationHysterectomyMethyl EthersGastric MucosaStomach UlcerEnkephalin, D-Penicillamine (2,5)-IsofluraneEndorphinsAnesthetics, LocalDynorphinsPostoperative PeriodPatient SatisfactionInfusions, IntravenousBuprenorphineEnkephalin, LeucineRisk FactorsPainEnkephalin, Leucine-2-AlanineMotion SicknessTime Factors