Osteoarthritis, KneeArthritis, RheumatoidOsteoarthritisKnee JointArthritisOsteoarthritis, HipKneeArthritis, ExperimentalArthroplasty, Replacement, KneeSynovial MembraneSynovial FluidArthritis, InfectiousKnee InjuriesKnee ProsthesisAntirheumatic AgentsCartilage, ArticularArthritis, JuvenileJointsRheumatoid FactorSynovitisArthritis, PsoriaticSeverity of Illness IndexArthritis, ReactiveArthralgiaHand JointsPain MeasurementArthrographyPainFinger JointRange of Motion, ArticularMenisci, TibialInjections, Intra-ArticularTreatment OutcomeOsteoarthritis, SpineMethotrexateBlood SedimentationCollagen Type IITibiaOsteophyteMetacarpophalangeal JointRheumatologyRheumatic DiseasesPatellaJoint DiseasesAnterior Cruciate LigamentWrist JointChondrocytesAutoantibodiesSulfasalazineRheumatoid NoduleDisability EvaluationWeight-BearingTumor Necrosis Factor-alphaGold Sodium ThiomalateHip JointAnti-Inflammatory Agents, Non-SteroidalDisease ProgressionPeptides, CyclicBone MalalignmentArthroscopyHLA-DRB1 ChainsMice, Inbred DBAFoot JointsCartilageJoint InstabilityFollow-Up StudiesImmunoglobulin GBiological MarkersHandStifleBiomechanical PhenomenaMatrilin ProteinsCase-Control StudiesAntibodies, MonoclonalHyaluronic AcidGaitHLA-DR AntigensAnkle JointProspective StudiesHLA-DR4 AntigenSpondylitis, AnkylosingCartilage Oligomeric Matrix ProteinAnti-Inflammatory AgentsDouble-Blind MethodMagnetic Resonance ImagingCitrullineArthroplasty, Replacement, HipReceptors, Tumor Necrosis FactorTime FactorsCohort StudiesReproducibility of ResultsViscosupplementsOrganogold CompoundsViscosupplementationArthritis, GoutyDrug Therapy, CombinationChondrocalcinosisKnee DislocationCells, CulturedJoint Deformities, Acquired