Arthritis, ReactiveArthritisArthritis, RheumatoidArthritis, InfectiousYersinia InfectionsSynovial FluidHLA-B27 AntigenArthritis, ExperimentalInflammationArthritis, JuvenileYersinia enterocoliticaAntirheumatic AgentsSynovial MembraneChlamydia InfectionsArthritis, PsoriaticSalmonella InfectionsChlamydia trachomatisSpondylitis, AnkylosingChlamydiaSpondylarthropathiesJointsYersiniaCampylobacter InfectionsLymecyclineRheumatic DiseasesInflammation MediatorsAntigens, BacterialSalmonella enteritidisHafniaEnteritisAntibodies, BacterialImmunoglobulin AUrethritisOsteoarthritisYersinia pseudotuberculosis InfectionsCytokinesRats, Inbred LewImmunoglobulin GKnee JointTumor Necrosis Factor-alphaEnzyme-Linked Immunosorbent AssayDysentery, BacillaryImmunoglobulin MChronic DiseaseSalmonellaDisease Models, AnimalCampylobacter jejuniShigellaSeverity of Illness Index