No abstract available
MeSH terms
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Analgesia
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Animals
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Brain / metabolism*
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Catalepsy / metabolism
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Dynorphins / analogs & derivatives*
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Dynorphins / metabolism*
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Endorphins / metabolism*
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Enkephalin, Methionine / metabolism*
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Fentanyl / analogs & derivatives*
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Fentanyl / pharmacology
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Male
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Peptide Fragments / metabolism*
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Pituitary Gland / metabolism*
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Radioimmunoassay
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Rats
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Tissue Distribution
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beta-Endorphin
Substances
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Endorphins
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Peptide Fragments
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Enkephalin, Methionine
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beta-Endorphin
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dynorphin (1-13)
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Dynorphins
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F 7302
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rimorphin
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Fentanyl