title: Urticarial vasculitis.
mesh_terms: D000328:Adult; D000368:Aged; D004727:Endothelium / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014581:Urticaria / Q000473:pathology*; D014657:Vasculitis / Q000473:pathology*