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Pain, IntractablePainPain ManagementBreakthrough PainAnalgesics, OpioidNeoplasmsChronic PainAnalgesicsPain ThresholdFentanylBone NeoplasmsPalliative CareMorphinePain, PostoperativePain MeasurementRadionuclide GeneratorsAcute PainFacial PainNeuromaBack PainLow Back PainHyperalgesiaEarly Detection of CancerHydromorphoneAbdominal PainNeck PainTreatment OutcomeInjections, SpinalPelvic PainPain PerceptionRetrospective StudiesBreast NeoplasmsPain, ReferredAdministration, BuccalProspective StudiesProstatic NeoplasmsLamivudineDisease Models, AnimalQuestionnairesOvarian NeoplasmsHyperostosisNeuralgiaChickenpoxNeoplasm MetastasisAdministration, OralLung NeoplasmsChronic DiseaseCeliac PlexusUnited StatesAdministration, CutaneousStomach NeoplasmsOxymorphoneColonic NeoplasmsFollow-Up StudiesTime FactorsOncology NursingShoulder PainReceptor, EphB1Labor PainDrug Administration ScheduleQuality of LifeCarcinoma 256, WalkerMusculoskeletal PainCell Line, TumorDose-Response Relationship, DrugRespiratory Protective DevicesNeoplasm InvasivenessNeoplasm TransplantationMetrorrhagiaMutationFungemiaPancreatic NeoplasmsDouble-Blind MethodAnalgesia, EpiduralMethadoneHepatitis B, ChronicEpicardial MappingMice, NudeGene Expression Regulation, NeoplasticAntineoplastic AgentsCancer VaccinesDisease ProgressionNociceptorsAntiviral AgentsPrognosisNervous System NeoplasmsCodeineDrug Therapy, CombinationMedical OncologyAcupuncture AnalgesiaAnalgesics, Non-NarcoticPain ClinicsLevonorgestrelNeoplasm ProteinsSpinal CordRisk FactorsTramadolInfusion PumpsHistory, 20th CenturyDelayed-Action Preparations