Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousSynovial MembraneAntirheumatic AgentsArthritis, JuvenileSynovial FluidRheumatoid FactorArthritis, PsoriaticJointsArthritis, ReactiveSynovitisOsteoarthritisMethotrexateSeverity of Illness IndexBlood SedimentationSulfasalazineAutoantibodiesRheumatoid NoduleMetacarpophalangeal JointGold Sodium ThiomalateArthrographyRheumatologyPeptides, CyclicTumor Necrosis Factor-alphaRheumatic DiseasesTreatment OutcomeHLA-DRB1 ChainsWrist JointImmunoglobulin GMice, Inbred DBAFinger JointAntibodies, MonoclonalHLA-DR4 AntigenHLA-DR AntigensCollagen Type IICitrullineSpondylitis, AnkylosingReceptors, Tumor Necrosis FactorAutoimmune DiseasesArthritis, GoutyFoot JointsOrganogold CompoundsDrug Therapy, CombinationLupus Erythematosus, SystemicAnti-Inflammatory AgentsBiological MarkersIsoxazolesCase-Control StudiesKnee JointHydroxychloroquineFollow-Up StudiesPenicillamineQuestionnairesInjections, Intra-ArticularDisability EvaluationTime FactorsProspective StudiesPrednisoloneJoint DiseasesPainHand JointsEnzyme-Linked Immunosorbent AssayCohort StudiesRats, Inbred LewGenetic Predisposition to DiseaseCytokinesSpondylarthropathiesCells, CulturedAuranofinSjogren's SyndromeTenosynovitisRisk FactorsTarsal JointsFelty SyndromeFibroblastsHand Deformities, AcquiredC-Reactive ProteinAntibodies, Monoclonal, HumanizedImmunoglobulin MGlucocorticoidsPain MeasurementT-LymphocytesDisease Models, AnimalInflammationProtein Tyrosine Phosphatase, Non-Receptor Type 22Symptom AssessmentInterleukin-6Disease ProgressionDepressionAurothioglucoseAutoantigensDouble-Blind MethodHandQuality of LifeChronic DiseaseAntibodies, AntinuclearAntigen-Antibody ComplexCollagen