Arthritis, ReactiveArthritis, InfectiousArthritisYersinia InfectionsHLA-B27 AntigenArthritis, RheumatoidYersinia enterocoliticaSynovial FluidBacteriaArthritis, ExperimentalChlamydia InfectionsSynovial MembraneSalmonella InfectionsArthritis, PsoriaticChlamydia trachomatisArthritis, JuvenileChlamydiaSpondylitis, AnkylosingSpondylarthropathiesYersiniaJointsCampylobacter InfectionsAntigens, BacterialGram-Negative BacteriaLymecyclineGram-Positive BacteriaSalmonella enteritidisRheumatic DiseasesHafniaAntibodies, BacterialEnteritisImmunoglobulin ADNA, BacterialYersinia pseudotuberculosis InfectionsBacteria, AnaerobicUrethritisOsteoarthritisSalmonellaMolecular Sequence DataImmunoglobulin GBacterial ProteinsDysentery, BacillaryKnee JointRats, Inbred LewCampylobacter jejuniShigellaImmunoglobulin MEnzyme-Linked Immunosorbent AssayRNA, Ribosomal, 16SAnti-Bacterial AgentsAnti-Infective AgentsBacterial Infections