Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousArthritis, JuvenileArthritis, PsoriaticArthritis, ReactiveSynovial MembraneJointsSynovial FluidTerminology as TopicArthritis, GoutyRheumatoid FactorMice, Inbred DBASynovitisOsteoarthritisSeverity of Illness IndexCollagen Type IIMethotrexateBlood SedimentationAutoantibodiesRats, Inbred LewRheumatologyTreatment OutcomeInjections, Intra-ArticularArthrographyTumor Necrosis Factor-alphaRheumatic DiseasesImmunoglobulin GKnee JointSpondylitis, AnkylosingMetacarpophalangeal JointWrist JointAntibodies, MonoclonalSulfasalazineAutoimmune DiseasesPeptides, CyclicGold Sodium ThiomalateDisease Models, AnimalCollagenTime FactorsRheumatoid NoduleHLA-DRB1 ChainsFinger JointLyme DiseaseBiological MarkersTarsal JointsFoot JointsReceptors, Tumor Necrosis FactorAnti-Inflammatory AgentsJoint DiseasesRisk FactorsPrevalenceHLA-DR4 AntigenChronic DiseaseHLA-DR AntigensReproducibility of ResultsCohort StudiesUnited StatesHand JointsTenosynovitisCytokinesPainPsoriasisProspective StudiesCitrullineInflammationT-LymphocytesFollow-Up StudiesCartilage, ArticularAnkle JointSpondylarthropathiesDisability EvaluationSensitivity and SpecificityEnzyme-Linked Immunosorbent AssayConsensusDrug Therapy, CombinationCase-Control StudiesCells, CulturedGenetic Predisposition to DiseaseInterleukin-17EdemaFreund's AdjuvantTarsus, AnimalLupus Erythematosus, SystemicRetrospective StudiesQuestionnairesHLA-B27 AntigenOrganogold CompoundsGlucose-6-Phosphate IsomeraseIncidenceInterleukin-6Pain MeasurementPredictive Value of TestsMice, Inbred C57BLInterleukin-1Immunoglobulin MInterleukin 1 Receptor Antagonist ProteinArthralgiaAutoantigens