title: HL-A27 in Reiter's Syndrome.
mesh_terms: D016918:Arthritis, Reactive / Q000276:immunology*; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D008297:Male; D010641:Phenotype; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens