title: [Difficult search for etiology of urticaria. Stressful hives].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis*; D007428:Intradermal Tests; D011602:Psychophysiologic Disorders / Q000175:diagnosis*; D012307:Risk Factors; D013315:Stress, Psychological / Q000150:complications*; D014581:Urticaria / Q000209:etiology*