title: Narcotic addiction, physical dependence and relapse.
mesh_terms: D000293:Adolescent; D000818:Animals; D003213:Conditioning, Psychological; D000882:Haplorhini; D006706:Homeostasis; D006801:Humans; D009021:Morphine Dependence / Q000188:drug therapy / Q000209:etiology / Q000378:metabolism / Q000503:physiopathology; D010551:Personality; D011584:Psychology; D051381:Rats; D012008:Recurrence; D013375:Substance Withdrawal Syndrome