Yersinia antigens in reactive arthritis.
D000942:Antigens, Bacterial / Q000032:analysis*; D001170:Arthritis, Infectious / Q000276:immunology*; D006801:Humans; D013582:Synovial Fluid / Q000276:immunology; D015007:Yersinia / Q000276:immunology*
D000942:Antigens, Bacterial