title: HLA antigens and urticaria.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002908:Chronic Disease; D005260:Female; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D008875:Middle Aged; D014581:Urticaria / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens