Heroin self-administration in rats under a progressive ratio schedule of reinforcement
2007 ◽
Vol 182
(1)
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pp. 140-144
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1996 ◽
Vol 53
(1)
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pp. 5-9
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1991 ◽
2000 ◽
Vol 66
(4)
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pp. 857-862
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2015 ◽
Vol 146
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pp. e48-e49
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1995 ◽
Vol 67
(1)
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pp. 75-80
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2013 ◽
Vol 345
(3)
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pp. 374-382
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