HLA-DR3 AntigenArthritis, RheumatoidHLA-DR AntigensHLA AntigensHLA-DR4 AntigenArthritisHistocompatibility Antigens Class IIArthritis, ExperimentalAntigensArthritis, InfectiousHLA-D AntigensHLA-DR Serological SubtypesHistocompatibility TestingSynovial MembraneGenes, MHC Class IIAntirheumatic AgentsHLA-B AntigensArthritis, JuvenileSynovial FluidRheumatoid FactorHLA-DQ AntigensArthritis, PsoriaticAntibodies, MonoclonalJointsAntigens, BacterialGold Sodium ThiomalateHLA-DR2 AntigenArthritis, ReactiveHLA-DRB1 ChainsAntigens, NeoplasmAntigens, SurfaceLymphocyte Culture Test, MixedSynovitisOsteoarthritisAntigens, ViralMethotrexateAutoantibodiesImmunoglobulin GBlood SedimentationHLA-DR7 AntigenEpitopesSeverity of Illness IndexHLA-DR1 AntigenSulfasalazineRheumatoid NoduleMetacarpophalangeal JointTumor Necrosis Factor-alphaKeratoconjunctivitis SiccaAllelesArthrographyRheumatologyAntigens, CDPeptides, CyclicMice, Inbred DBARheumatic DiseasesT-LymphocytesEnzyme-Linked Immunosorbent AssayWrist JointAntigens, ProtozoanGenetic Predisposition to DiseaseFinger JointAutoimmune DiseasesAntigens, Polyomavirus TransformingTreatment OutcomeMolecular Sequence DataCD4-Positive T-LymphocytesSpondylitis, AnkylosingCollagen Type IIReceptors, Tumor Necrosis FactorHLA-A AntigensCitrullineCells, CulturedHaplotypesAntigens, FungalEpitopes, T-LymphocyteLymphocyte ActivationAmino Acid SequenceH-2 AntigensAutoantigensLupus Erythematosus, SystemicAntigens, HelminthOrganogold CompoundsImmunoglobulin MArthritis, GoutyB-LymphocytesBiological MarkersFoot JointsReceptors, Antigen, T-CellHistocompatibility Antigens Class IAntigen-Antibody ComplexCase-Control StudiesCytokinesHistocompatibility AntigensDrug Therapy, CombinationCarcinoembryonic AntigenAntibody SpecificityPenicillamineIsoxazolesDiabetes Mellitus, Type 1Anti-Inflammatory Agents