title: HL-A27 in female patients with ankylosing spondylitis.
mesh_terms: D000328:Adult; D005260:Female; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D008875:Middle Aged; D012737:Sex Factors; D013167:Spondylitis, Ankylosing / Q000235:genetics / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens