title: A factor(s) in Klebsiella culture filtrates specifically modifies an HLA-B27 associated cell-surface component.
mesh_terms: D000942:Antigens, Bacterial; D000954:Antigens, Surface; D003470:Culture Media; D003602:Cytotoxicity, Immunologic; D006680:HLA Antigens; D006801:Humans; D007709:Klebsiella / Q000276:immunology*; D008213:Lymphocyte Activation
chemical_list: D000942:Antigens, Bacterial; D000954:Antigens, Surface; D003470:Culture Media; D006680:HLA Antigens