title: Urticaria and angio-edema. A systematic approach.
mesh_terms: D000799:Angioedema / Q000145:classification; D006636:Histamine Release; D006801:Humans; D012882:Skin Tests; D014581:Urticaria / Q000145:classification / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology / Q000276:immunology