title: Letter: Acute anterior uveitis and HL-A 27.
mesh_terms: D000208:Acute Disease; D000328:Adult; D016918:Arthritis, Reactive / Q000276:immunology; D005260:Female; D006649:Histocompatibility Antigens; D006801:Humans; D008297:Male; D012737:Sex Factors; D013167:Spondylitis, Ankylosing / Q000276:immunology; D014605:Uveitis / Q000150:complications / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens