title: Reactive arthritides: how and why are they reactive?
mesh_terms: D001170:Arthritis, Infectious / Q000209:etiology* / Q000276:immunology* / Q000503:physiopathology; D001424:Bacterial Infections; D004405:Dysentery, Bacillary; D006680:HLA Antigens / Q000235:genetics*; D015796:HLA-B27 Antigen; D006790:Host-Parasite Interactions; D006801:Humans; D012213:Rheumatic Fever / Q000503:physiopathology; D015009:Yersinia Infections
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen