title: The "alter ego" in psychiatry.
authors.affiliation: Catholic University of Montevideo, Uruguay.
authors.forename: M
authors.initials: M
authors.lastname: Berta
authors.forename: M
authors.initials: M
authors.lastname: Saiz
mesh_terms: D004532:Ego; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D001523:Mental Disorders / Q000266:history / Q000628:therapy; D011570:Psychiatry / Q000266:history*