No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Animals
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Conditioning, Operant / drug effects*
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Depression, Chemical
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Dextroamphetamine / pharmacology*
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Male
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Methysergide / pharmacology
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Pentobarbital / pharmacology*
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Punishment*
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Rats
Substances
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Pentobarbital
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Dextroamphetamine
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Methysergide