title: The death instinct revisited.
authors.affiliation: Northwestern University.
authors.forename: R D
authors.initials: RD
authors.lastname: Chessick
mesh_terms: D000374:Aggression; D003643:Death; D003866:Depressive Disorder / Q000523:psychology; D005619:Freudian Theory; D006801:Humans; D007323:Instinct; D014473:Unconscious, Psychology