title: Infinite variety and complexity: an urgent challenge for psychoanalysis.
authors.forename: M H
authors.initials: MH
authors.lastname: Eckardt
mesh_terms: D049673:History, 20th Century; D006801:Humans; D011572:Psychoanalysis / Q000266:history / Q000639:trends*; D011574:Psychoanalytic Theory; D011575:Psychoanalytic Therapy