title: Mass sociogenic illness.
authors.forename: Erica
authors.initials: E
authors.lastname: Weir
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007046:Hysteria / Q000266:history; D008399:Mass Behavior; D013001:Somatoform Disorders / Q000266:history