No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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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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Endorphins / physiology*
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Humans
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Male
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Narcotic Antagonists / pharmacology*
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Pain / physiopathology*
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Rats
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Rats, Inbred Strains
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Stress, Psychological / physiopathology*
Substances
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Endorphins
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Narcotic Antagonists