title: Delayed prolonged contact urticaria from the elm tree.
authors: Repatriation General Hospital, Heidelberg, Australia.
authors: D
authors: D
authors: Czarnecki
authors: R
authors: R
authors: Nixon
authors: P
authors: P
authors: Bekhor
authors: G
authors: G
authors: Mason
mesh_terms: D000328:Adult; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000175:diagnosis / Q000209:etiology*; D008297:Male; D014197:Trees; D014581:Urticaria / Q000175:diagnosis / Q000209:etiology*