Arthritis, RheumatoidAntirheumatic AgentsArthritisArthritis, ExperimentalArthritis, InfectiousSynovial MembraneArthritis, JuvenileSynovial FluidRheumatoid FactorArthritis, PsoriaticJointsArthritis, ReactiveSynovitisOsteoarthritisMethotrexateBlood SedimentationSeverity of Illness IndexSulfasalazineRheumatoid NoduleAutoantibodiesMetacarpophalangeal JointGold Sodium ThiomalateArthrographyRheumatologyTumor Necrosis Factor-alphaPeptides, CyclicRheumatic DiseasesHLA-DRB1 ChainsWrist JointMice, Inbred DBAImmunoglobulin GTreatment OutcomeFinger JointAntibodies, MonoclonalHLA-DR4 AntigenHLA-DR AntigensCollagen Type IICitrullineSpondylitis, AnkylosingReceptors, Tumor Necrosis FactorAutoimmune DiseasesArthritis, GoutyOrganogold CompoundsFoot JointsDrug Therapy, CombinationLupus Erythematosus, SystemicAnti-Inflammatory AgentsIsoxazolesHydroxychloroquineKnee JointPenicillamineBiological MarkersInjections, Intra-ArticularPrednisoloneDisability EvaluationHand JointsCase-Control StudiesJoint DiseasesRats, Inbred LewEnzyme-Linked Immunosorbent AssayCells, CulturedCytokinesGenetic Predisposition to DiseaseSpondylarthropathiesAuranofinFelty SyndromeFibroblastsTarsal JointsHand Deformities, AcquiredAntibodies, Monoclonal, HumanizedTenosynovitisT-LymphocytesDouble-Blind MethodSjogren's SyndromeC-Reactive ProteinFollow-Up StudiesImmunoglobulin MProtein Tyrosine Phosphatase, Non-Receptor Type 22Disease Models, AnimalGlucocorticoidsInflammationTime FactorsAurothioglucosePainInterleukin-6AutoantigensCohort Studies