title: [The return of the pendulum].
authors.forename: J
authors.initials: J
authors.lastname: Mariátegui
mesh_terms: D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D009462:Neurology / Q000266:history*; D011570:Psychiatry / Q000266:history*
vernacular_title: El retorno del péndulo.