No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Analgesics*
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Animals
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Behavior, Animal / drug effects*
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Catalepsy / chemically induced
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Dynorphins*
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Endorphins / pharmacology*
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Enkephalins / metabolism
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Enkephalins / pharmacology*
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Humans
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Kinetics
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Male
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Peptide Fragments / metabolism
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Peptide Fragments / pharmacology*
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Rats
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Structure-Activity Relationship
Substances
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Analgesics
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Endorphins
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Enkephalins
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Peptide Fragments
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dynorphin (1-13)
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Dynorphins
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dynorphin (1-11), Ala(2)-