title: Ankylosing spondylitis, HLA-B27, and klebsiella: cross reactivity and antibody studies.
mesh_terms: D003429:Cross Reactions; D006680:HLA Antigens / Q000276:immunology*; D015796:HLA-B27 Antigen; D006801:Humans; D007709:Klebsiella / Q000276:immunology*; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen