title: HL-A 27 in Reiter's disease and psoriatic arthropathy.
mesh_terms: D016918:Arthritis, Reactive / Q000276:immunology*; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D007592:Joint Diseases / Q000276:immunology*; D008297:Male; D011565:Psoriasis / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens