Ankylosing spondylitis in HLA-B27-positive individuals: use in diagnosis.
D001315:Australia; D005817:Genetic Counseling; D006680:HLA Antigens / Q000032:analysis*; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000453:epidemiology
D006680:HLA Antigens