title: Reiter's disease and HL-A 27.
mesh_terms: D000208:Acute Disease; D001168:Arthritis / Q000276:immunology; D016918:Arthritis, Reactive / Q000175:diagnosis / Q000276:immunology*; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D011565:Psoriasis / Q000276:immunology; D012446:Sacroiliac Joint / Q000276:immunology; D014526:Urethritis / Q000276:immunology
chemical_list: D006649:Histocompatibility Antigens