title: Enterobacter, B27, and ankylosing spondylitis.
mesh_terms: D003429:Cross Reactions; D004754:Enterobacter / Q000276:immunology; D004756:Enterobacteriaceae Infections / Q000382:microbiology; D006680:HLA Antigens; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D007711:Klebsiella pneumoniae / Q000276:immunology; D013167:Spondylitis, Ankylosing / Q000209:etiology* / Q000276:immunology / Q000382:microbiology
chemical_list: D006680:HLA Antigens