title: Notes on Freund's theory of schizophrenia.
mesh_terms: D003674:Defense Mechanisms; D004208:Displacement, Psychological; D004532:Ego; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007060:Id; D007989:Libido; D011574:Psychoanalytic Theory; D012559:Schizophrenia; D013475:Superego