Acquisition, maintenance and reinstatement of intravenous cocaine self-administration under a second-order schedule of reinforcement in rats: effects of conditioned cues and continuous access to cocaine
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1996 ◽
Vol 53
(1)
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pp. 5-9
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1995 ◽
Vol 67
(1)
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pp. 75-80
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2012 ◽
Vol 23
(2)
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pp. 205-210
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1989 ◽
Vol 33
(4)
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pp. 859-866
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