Ankylosing spondylitis and HLA-B27 as susceptibility gene.
D004198:Disease Susceptibility; D005260:Female; D005796:Genes; D006680:HLA Antigens / Q000235:genetics*; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D013167:Spondylitis, Ankylosing / Q000276:immunology*
D006680:HLA Antigens; D015796:HLA-B27 Antigen