AnalgesiaPain, PostoperativeAnalgesia, EpiduralAnalgesia, Patient-ControlledAnalgesics, OpioidAnalgesia, ObstetricalBupivacaineAnesthetics, LocalMorphinePain MeasurementFentanylNerve BlockTramadolAnesthesia, SpinalAnesthesia, EpiduralPirinitramideAnalgesicsAnesthesia, CaudalPostoperative Nausea and VomitingDouble-Blind MethodAmidesSufentanilMepivacaineAnalgesics, Non-NarcoticAnesthesia, ObstetricalKetorolacMeperidineAnesthesia, GeneralButorphanolAdjuvants, AnesthesiaInjections, SpinalOpiumCesarean SectionAnesthetics, CombinedFemoral NerveAnesthetics, DissociativeAnesthesia, IntravenousPostoperative CareAmbulatory Surgical ProceduresKetamineClonidineKetoprofenBrachial PlexusGlossectomyHysterectomyMagnesium SulfateNefopamAlfentanilAnesthesia, ConductionPreanesthetic MedicationLumbosacral PlexusPiroxicamInfusions, ParenteralTolmetinHernia, InguinalThoracotomyLidocaineProspective StudiesDiclofenacAcetaminophenAcupuncture AnalgesiaDipyroneAnesthesia, LocalOrthopedic ProceduresAnesthesia Recovery PeriodAnti-Inflammatory Agents, Non-SteroidalDexmedetomidineDrug Administration SchedulePharyngectomyPruritusGynecologic Surgical ProceduresInfusions, IntravenousAbdomenIntercostal NervesNeostigmineLabor PainInjections, EpiduralPainAdministration, RectalIntraoperative CareInfusion PumpsHerniorrhaphyInjections, IntravenousPiperidinesInjections, IntramuscularArthroscopyKneeAbdominal MusclesPremedicationPostoperative PeriodAntiemeticsPatient SatisfactionAnesthetics, IntravenousArthroplasty, Replacement, KneeIsoxazolesLabor, ObstetricIntraoperative PeriodRespirationPregnancyDrug Combinations