No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Dose-Response Relationship, Drug
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Electric Stimulation
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Heroin / administration & dosage
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Heroin / pharmacology*
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Hypothalamus / physiology*
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Kinetics
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Male
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Rats
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Reinforcement, Psychology
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Self Stimulation / drug effects*