Central Nervous System DiseasesAutonomic Nervous System DiseasesArthritis, RheumatoidAutonomic Nervous SystemNervous System DiseasesCentral Nervous System Viral DiseasesMeningoencephalitisCentral Nervous System InfectionsArthritisCentral Nervous SystemBrainSubacute Sclerosing PanencephalitisAIDS Dementia ComplexBrain DiseasesArthritis, ExperimentalMaus Elberfeld virusCerebrospinal FluidMeningesDemyelinating DiseasesArthritis, InfectiousSynovial MembraneEnterovirus InfectionsHeart RateAntirheumatic AgentsArthritis, JuvenileParasympathetic Nervous SystemSynovial FluidRheumatoid FactorAstrocytesArthritis, PsoriaticJointsDisease Models, AnimalNeuronsSympathetic Nervous SystemArthritis, ReactiveMagnetic Resonance ImagingNervous SystemSynovitisOsteoarthritisCells, CulturedMethotrexateGanglionic BlockersAutonomic DenervationVagus NerveAutonomic PathwaysBlood SedimentationAutonomic AgentsGalvanic Skin ResponseTime FactorsSeverity of Illness IndexAutonomic Nerve BlockLamin Type AArrhythmia, SinusAutoantibodiesSulfasalazineRheumatoid NoduleMetacarpophalangeal JointHeart Conduction SystemGold Sodium ThiomalateBlood PressureCardiovascular Physiological ProcessesDigestive System DiseasesArthrographyElectrocardiographyTumor Necrosis Factor-alphaElectrocardiography, AmbulatoryRheumatologyPeptides, CyclicOomycetesEnteric Nervous SystemHLA-DRB1 ChainsImmunoglobulin GAtropineMice, Inbred DBAWrist JointTrimethaphanPeripheral Nervous SystemTreatment OutcomePeripheral Nervous System DiseasesRisk FactorsDysautonomia, FamilialAntibodies, MonoclonalFinger JointCase-Control StudiesImmunohistochemistryPropranololHLA-DR4 AntigenHLA-DR AntigensHeartCohort StudiesCollagen Type IICause of DeathCitrullineCircadian RhythmCardiovascular SystemReceptors, Tumor Necrosis FactorSpondylitis, AnkylosingBaroreflexCardiovascular Physiological PhenomenaAutopsy