title: Editorial: HL-A W27 and ankylosing spondylitis.
mesh_terms: D005260:Female; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D008297:Male; D013167:Spondylitis, Ankylosing / Q000175:diagnosis / Q000453:epidemiology / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens