Dissociation of the rewarding and physical dependence-producing properties of morphine.
D000818:Animals; D006801:Humans; D007276:Injections, Intraventricular; D008297:Male; D009020:Morphine / Q000008:administration & dosage; D009021:Morphine Dependence / Q000503:physiopathology* / Q000523:psychology; D051381:Rats; D012201:Reward; D012646:Self Administration; D013997:Time Factors
D009020:Morphine