No abstract available
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Analgesia
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Animals
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Electroshock
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Endorphins / antagonists & inhibitors
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Endorphins / physiology*
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Naltrexone / pharmacology
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Pain / physiopathology*
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Rats
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Stress, Physiological / physiopathology*
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Tail
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Time Factors