Spondyloarthropathy: a common familial form of arthritis.
D001168:Arthritis / Q000235:genetics*; D002648:Child; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D013167:Spondylitis, Ankylosing / Q000235:genetics*
D006680:HLA Antigens; D015796:HLA-B27 Antigen