title: Symptomatic dermographism: natural history, clinical features laboratory investigations and response to therapy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D014581:Urticaria / Q000188:drug therapy / Q000209:etiology; D000515:alpha 1-Antitrypsin / Q000378:metabolism
chemical_list: D006634:Histamine H1 Antagonists; D000515:alpha 1-Antitrypsin