title: HLA B27, ankylosing spondylitis, and some normal rabbit sera.
mesh_terms: D003602:Cytotoxicity, Immunologic; D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D007106:Immune Sera / Q000276:immunology*; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen; D007106:Immune Sera