Transcutaneous Electric Nerve StimulationTime FactorsKaolinPain ManagementElectric Stimulation TherapyPain MeasurementAlgorithmsPain ThresholdTreatment OutcomeReproducibility of ResultsComputer SimulationCarrageenanModels, BiologicalAcupuncture PointsSoftwareRetrospective StudiesPainBiophysical ProcessesProspective StudiesFollow-Up StudiesModels, TheoreticalAction PotentialsPlacebo EffectCentral Nervous System SensitizationAnalysis of VarianceSequence Analysis, DNAKineticsSensitivity and SpecificityAnalgesiaUnited StatesStatistics, NonparametricKnee JointGenetic VariationModels, GeneticElectronics, MedicalEquipment DesignTemperaturePain, PostoperativeCattleBiophysicsNeuronsRats, Sprague-DawleyImage Processing, Computer-AssistedMolecular Sequence DataDrug ToleranceRisk FactorsWaterRandom AllocationAnalgesicsMembrane PotentialsQuestionnairesInjections, Intra-ArticularImaging, Three-DimensionalElectric StimulationCalciumParticle SizeElectrodesSingle-Blind MethodSloveniaSeasonsPhylogenyEvolution, MolecularGenomeModels, NeurologicalPain, IntractableElectrophysiologyBase SequenceChronic DiseaseMovementRegression AnalysisProteinsChromosome MappingModels, MolecularData Interpretation, StatisticalBack PainDiffusionCohort StudiesSpecies SpecificityBody WeightLinear ModelsOligonucleotide Array Sequence AnalysisDNASwineGene Expression ProfilingEcosystemWater MovementsElectric ConductivityUser-Computer InterfaceIncidenceHyperalgesiaAnimal FeedThoracotomyPeripheral NervesSynapsesEnvironmental MonitoringPhysical Therapy ModalitiesGenotypePregnancyDose-Response Relationship, RadiationBreeding