ArthritisArthritis, InfectiousArthritis, ExperimentalArthritis, ReactiveJointsArthritis, RheumatoidSynovial FluidAcute DiseaseArthritis, JuvenileArthritis, PsoriaticSynovial MembraneArthritis, GoutyRheumatoid FactorMice, Inbred DBASynovitisOsteoarthritisCollagen Type IIMethotrexateSeverity of Illness IndexRats, Inbred LewAutoantibodiesBlood SedimentationInjections, Intra-ArticularTumor Necrosis Factor-alphaRheumatic DiseasesImmunoglobulin GArthrographyRheumatologyKnee JointMetacarpophalangeal JointSpondylitis, AnkylosingSulfasalazinePeptides, CyclicAutoimmune DiseasesAntibodies, MonoclonalGold Sodium ThiomalateWrist JointRheumatoid NoduleCollagenHLA-DRB1 ChainsFinger JointDisease Models, AnimalTreatment OutcomeTarsal JointsLyme DiseaseReceptors, Tumor Necrosis FactorHLA-DR4 AntigenAnti-Inflammatory Agents