title: Ankylosing spondylitis, HLA-B27, and klebsiella.
mesh_terms: D000907:Antibodies, Bacterial / Q000276:immunology*; D003601:Cytotoxicity Tests, Immunologic / Q000379:methods; D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D007709:Klebsiella / Q000276:immunology*; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D006680:HLA Antigens; D015796:HLA-B27 Antigen