(Q52172653)
Statements
Nicotine self-administration in rats on a progressive ratio schedule of reinforcement. (English)
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Donny EC
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Caggiula AR
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Mielke MM
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Booth S
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Gharib MA
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Hoffman A
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Maldovan V
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Shupenko C
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McCallum SE
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1 November 1999
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147
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2
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135-142
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