Dockstader, C L The D2 receptor is critical in mediating opiate motivation only in opiate-dependent and withdrawn mice. [electronic resource] - The European journal of neuroscience Mar 2001 - 995-1001 p. digital Publication Type: Journal Article ISSN: 0953-816X Standard No.: 10.1046/j.1460-9568.2001.01455.x doi Subjects--Topical Terms: AnimalsBrain--metabolismConditioning, Psychological--physiologyFemaleMaleMiceMice, Inbred C57BL--metabolismMice, Knockout--metabolismMotivationNarcotics--pharmacologyOpioid-Related Disorders--metabolismReceptors, Dopamine D2--geneticsRewardSubstance Withdrawal Syndrome--metabolism