Arthritis, ReactiveArthritis, InfectiousArthritisYersinia InfectionsArthritis, RheumatoidHLA-B27 AntigenYersinia enterocoliticaPrevalenceSynovial FluidArthritis, ExperimentalChlamydia InfectionsSynovial MembraneArthritis, PsoriaticSalmonella InfectionsChlamydia trachomatisArthritis, JuvenileChlamydiaSpondylitis, AnkylosingSpondylarthropathiesYersiniaJointsCampylobacter InfectionsLymecyclineRheumatic DiseasesAntigens, BacterialSalmonella enteritidisHafniaAntibodies, BacterialEnteritisImmunoglobulin AUrethritisYersinia pseudotuberculosis InfectionsOsteoarthritisImmunoglobulin GDysentery, BacillaryKnee JointRats, Inbred LewEnzyme-Linked Immunosorbent AssayImmunoglobulin MSalmonellaCampylobacter jejuniShigella