Proposals for diagnostic criteria of ankylosing spondylitis and allied disorders.
D000367:Age Factors; D003937:Diagnosis, Differential; D006680:HLA Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000235:genetics
D006680:HLA Antigens; D015796:HLA-B27 Antigen