title: A case of cold urticaria due to a serum factor belonging to the IGE class.
mesh_terms: D003080:Cold Temperature / Q000009:adverse effects*; D006636:Histamine Release; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000150:complications*; D007073:Immunoglobulin E / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000276:immunology; D014581:Urticaria / Q000209:etiology*
chemical_list: D007073:Immunoglobulin E