No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Conditioning, Operant / drug effects
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Dextroamphetamine / pharmacology*
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Discrimination Learning / drug effects
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Discrimination, Psychological / drug effects*
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Dose-Response Relationship, Drug
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Male
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Nicotine / pharmacology*
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Rats
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Reinforcement Schedule
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Stimulation, Chemical
Substances
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Nicotine
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Dextroamphetamine