No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Animals
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Columbidae
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Conditioning, Classical / drug effects
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Dextroamphetamine / pharmacology
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Electroshock
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Feeding Behavior / drug effects
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Humans
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Morphine / pharmacology
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Reinforcement, Psychology
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Self Administration
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Substance-Related Disorders / physiopathology*
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Substance-Related Disorders / psychology*
Substances
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Morphine
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Dextroamphetamine