title: Ego functions in drug users.
mesh_terms: D000374:Aggression; D000661:Amphetamine; D004532:Ego; D006556:Heroin Dependence / Q000523:psychology; D006801:Humans; D007600:Judgment; D009769:Object Attachment; D010465:Perception; D010551:Personality; D012723:Sex; D019966:Substance-Related Disorders / Q000523:psychology* / Q000628:therapy
chemical_list: D000661:Amphetamine