title: Aggression: a reconsideration.
mesh_terms: D000367:Age Factors; D000374:Aggression; D002657:Child Development; D003220:Conflict, Psychological; D004328:Drive; D004532:Ego; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007323:Instinct; D009043:Motor Activity; D011574:Psychoanalytic Theory