title: [The HL-A W27 antigen. Its incidence in ankylosing spondylarthritis and the Fiessinger-Leroy-Reiter syndrome].
mesh_terms: D000941:Antigens; D000961:Antilymphocyte Serum; D016918:Arthritis, Reactive / Q000276:immunology*; D003092:Colitis / Q000276:immunology; D006649:Histocompatibility Antigens; D006801:Humans; D011565:Psoriasis / Q000276:immunology; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D000941:Antigens; D000961:Antilymphocyte Serum; D006649:Histocompatibility Antigens
vernacular_title: L'antigène HL-A W27. Sa fréquence dans la spondylarthrite ankylosante et le syndrome de Fiessinger-Leroy-Reiter