title: Increased frequency of HLA-Bw35 CREG antigens in HLA-B27 negative ankylosing spondylitis.
mesh_terms: D005787:Gene Frequency; D006680:HLA Antigens / Q000235:genetics*; D015796:HLA-B27 Antigen; D015797:HLA-B35 Antigen; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000235:genetics* / Q000276:immunology
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen; D015797:HLA-B35 Antigen