No abstract available
MeSH terms
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Adenylyl Cyclases / metabolism
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Aging*
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Animals
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Brain / metabolism
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Electric Stimulation
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Enkephalin, Ala(2)-MePhe(4)-Gly(5)-
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Enkephalin, Leucine-2-Alanine / metabolism*
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Enkephalins / metabolism*
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Guinea Pigs
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Isoproterenol / pharmacology*
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Male
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Muscle Contraction / drug effects
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Muscle, Smooth / metabolism*
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Rats
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Rats, Inbred Strains
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Signal Transduction / drug effects*
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Synaptosomes / metabolism
Substances
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Enkephalins
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Enkephalin, Ala(2)-MePhe(4)-Gly(5)-
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Enkephalin, Leucine-2-Alanine
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Adenylyl Cyclases
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Isoproterenol