Analgesics, OpioidPain, PostoperativeCodeineHydromorphonePain MeasurementDouble-Blind MethodAcute PainAnalgesicsMorphineAnalgesia, Patient-ControlledDrug Administration ScheduleNaloxoneAdministration, OralNalbuphinePainKetorolacCytochrome P-450 CYP2D6OxycodoneStereoisomerismNarcotic AntagonistsAnesthetics, LocalSurgical Procedures, MinorAnalgesics, Non-NarcoticAcetaminophenTooth ExtractionMolar, ThirdBupivacaineAnalgesiaMiosisTherapeutic EquivalencyHysterectomyDoxepinInjections, IntravenousPremature EjaculationNarcoticsAnti-Inflammatory Agents, Non-SteroidalMeperidineDipyroneTreatment OutcomeReceptors, Opioid, muDrug InteractionsRadiation DosageLethal Dose 50Anesthesia Recovery PeriodRenal ColicAnesthesia, GeneralDose-Response Relationship, DrugTime FactorsRats, WistarBuprenorphineCapsulesDrug OverdoseInfusions, IntravenousNerve BlockCyclohexanolsRespiratory RateMuscle HypertoniaDrug Therapy, CombinationPostoperative Nausea and VomitingChemistry, PharmaceuticalRadiometryAnesthetics, CombinedNortriptylineDelayed-Action PreparationsYohimbineUrinary Bladder, OveractiveVisceral PainHalf-LifeAnalysis of VarianceAdjuvants, AnesthesiaCross-Over StudiesUrinationAmitriptylineOpioid-Related DisordersAnalgesia, EpiduralSuppositoriesInjections, IntraperitonealForensic ToxicologyIbuprofenInjections, SpinalPain ThresholdPostoperative CareTomography Scanners, X-Ray ComputedInjections, SubcutaneousRats, Sprague-DawleySeizuresInjections, IntramuscularArea Under CurveIridoid GlycosidesPiroxicamDrug SynergismMethadoneDrug CombinationsDose-Response Relationship, RadiationDepression, ChemicalNeuralgiaDose FractionationPremedicationHypnotics and SedativesBiological Availability