title: [The unknown of knowledge in psychiatry].
authors.forename: A
authors.initials: A
authors.lastname: Olivennes
mesh_terms: D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D001523:Mental Disorders / Q000628:therapy; D011570:Psychiatry / Q000266:history*
vernacular_title: Des inconnus de la connaissance en psychiatrie.