Proceedings: HL-A 27 and disease.
D016918:Arthritis, Reactive / Q000276:immunology*; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000276:immunology*
D006680:HLA Antigens; D006649:Histocompatibility Antigens