Nasal SpraysAnalgesics, OpioidAnesthetics, IntravenousAnalgesia, EpiduralGene DosageAerosolsDosage FormsAdministration, CutaneousOral SpraysDosage Compensation, GeneticSufentanilAdjuvants, AnesthesiaAnesthesia, IntravenousAlfentanilPaintPain, PostoperativeBupivacainePreanesthetic MedicationDouble-Blind MethodAnesthetics, CombinedAnalgesia, ObstetricalPropofolAnesthesia, GeneralAnesthetics, LocalMorphineAdministration, IntranasalAnalgesia, Patient-ControlledPain MeasurementMidazolamAnesthesia Recovery PeriodDose-Response Relationship, DrugReceptors, Opioid, muNitrous OxideNarcoticsBreakthrough PainPainConscious SedationPowdersIsofluraneAnesthesia, EpiduralAnesthetics, InhalationInjections, IntravenousNaloxoneCryoanesthesiaAnalgesiaAnesthesia, ObstetricalInjections, SpinalMethyl EthersDrug InteractionsDroperidolInsecticidesHypnotics and SedativesAnesthesiaDrug CompoundingMeperidineLidocaineAnesthesia, InhalationDesiccationExcipientsAnestheticsInfusions, IntravenousChemistry, PharmaceuticalAdministration, BuccalTransdermal PatchTechnology, PharmaceuticalParticle SizeAnalgesicsNarcotic AntagonistsInfusion PumpsTabletsTime FactorsNeuromuscular Nondepolarizing AgentsCesarean SectionHemodynamicsPostoperative Nausea and VomitingEnfluraneAnesthesia, SpinalThiopentalRiot Control Agents, ChemicalMethylcelluloseAdministration, OralProspective StudiesCross-Over StudiesOxycodoneKetamineInsect ControlPiperidinesIntubation, IntratrachealDrug Administration ScheduleDrug ToleranceLaryngismusAmbulatory Surgical ProceduresDexmedetomidineEthyl ChlorideHalf-LifeAnesthesia, IntratrachealMosquito ControlSkin AbsorptionSuccinylcholineTreatment Outcome