title: Skin histamine in chronic urticaria.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D005404:Fixatives; D006632:Histamine / Q000097:blood; D006801:Humans; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000032:analysis*; D014581:Urticaria / Q000276:immunology* / Q000473:pathology
chemical_list: D005404:Fixatives; D006632:Histamine