Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousArthritis, JuvenileSynovial MembraneArthritis, PsoriaticSynovial FluidArthritis, ReactiveRheumatoid FactorJointsAntirheumatic AgentsSynovitisOsteoarthritisMethotrexateBlood SedimentationSeverity of Illness IndexMice, Inbred DBAAutoantibodiesSulfasalazineMetacarpophalangeal JointArthritis, GoutyRheumatoid NoduleArthrographyGold Sodium ThiomalateRheumatologyTumor Necrosis Factor-alphaRheumatic DiseasesPeptides, CyclicCollagen Type IIImmunoglobulin GHLA-DRB1 ChainsWrist JointFinger JointAntibodies, MonoclonalHLA-DR4 AntigenHLA-DR AntigensSpondylitis, AnkylosingTreatment OutcomeCitrullineReceptors, Tumor Necrosis FactorAutoimmune DiseasesInjections, Intra-ArticularRats, Inbred LewKnee JointFoot JointsOrganogold CompoundsAnti-Inflammatory AgentsLupus Erythematosus, SystemicDrug Therapy, CombinationBiological MarkersIsoxazolesPenicillamineJoint DiseasesTarsal JointsHand JointsDisability EvaluationCytokinesSpondylarthropathiesEnzyme-Linked Immunosorbent AssayCase-Control StudiesPrednisoloneCells, CulturedGenetic Predisposition to DiseaseCollagenDisease Models, AnimalTenosynovitisT-LymphocytesInflammationFibroblastsAuranofinHydroxychloroquineHand Deformities, AcquiredFelty SyndromeInterleukin-6Immunoglobulin MAntibodies, Monoclonal, HumanizedPainC-Reactive ProteinAutoantigensSjogren's SyndromeCartilage, ArticularInterleukin-17GlucocorticoidsProtein Tyrosine Phosphatase, Non-Receptor Type 22Interleukin-1Follow-Up StudiesDouble-Blind MethodPsoriasisAntigen-Antibody ComplexTime FactorsCohort StudiesAurothioglucoseAntibodies, AntinuclearInterleukin 1 Receptor Antagonist ProteinHandAnkle JointEdemaMetatarsophalangeal JointPain Measurement