Arthritis, RheumatoidAspirinArthritisArthritis, ExperimentalArthritis, InfectiousSynovial MembraneAntirheumatic AgentsArthritis, JuvenileSynovial FluidRheumatoid FactorArthritis, PsoriaticJointsArthritis, ReactiveSynovitisOsteoarthritisMethotrexateBlood SedimentationAnti-Inflammatory Agents, Non-SteroidalSeverity of Illness IndexSulfasalazineRheumatoid NoduleAutoantibodiesMetacarpophalangeal JointGold Sodium ThiomalateTreatment OutcomeArthrographyTumor Necrosis Factor-alphaDrug Therapy, CombinationRheumatologyPlatelet Aggregation InhibitorsPeptides, CyclicRheumatic DiseasesHLA-DRB1 ChainsImmunoglobulin GMice, Inbred DBAWrist JointAntibodies, MonoclonalFinger JointHLA-DR4 AntigenHLA-DR AntigensCitrullineCollagen Type IIDouble-Blind MethodSpondylitis, AnkylosingReceptors, Tumor Necrosis FactorAnti-Inflammatory AgentsTime FactorsAutoimmune DiseasesArthritis, GoutyOrganogold CompoundsFoot JointsBiological MarkersIsoxazolesLupus Erythematosus, SystemicCase-Control StudiesHydroxychloroquinePenicillamineKnee JointProspective StudiesCyclooxygenase InhibitorsFollow-Up StudiesPrednisoloneInjections, Intra-ArticularCells, CulturedSalicylatesDrug Administration ScheduleEnzyme-Linked Immunosorbent AssayRats, Inbred LewCohort StudiesDisability EvaluationHand JointsCytokinesJoint DiseasesDisease Models, AnimalThromboxane B2Risk FactorsGenetic Predisposition to DiseaseTiclopidineAuranofinFibroblastsSpondylarthropathiesCollagenAntibodies, Monoclonal, HumanizedInflammationC-Reactive ProteinT-LymphocytesFelty SyndromeTarsal JointsGlucocorticoidsHand Deformities, AcquiredTenosynovitisAdministration, OralPainInterleukin-6Dose-Response Relationship, DrugSjogren's SyndromeImmunoglobulin MProtein Tyrosine Phosphatase, Non-Receptor Type 22AurothioglucosePlatelet Aggregation