title: From discovery to validation: a basic challenge to psychoanalysis.
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007046:Hysteria / Q000175:diagnosis; D009497:Neurotic Disorders / Q000523:psychology; D011572:Psychoanalysis / Q000379:methods*; D011574:Psychoanalytic Theory; D011575:Psychoanalytic Therapy / Q000379:methods