No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Castration
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Dose-Response Relationship, Drug
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Endorphins / metabolism*
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Estradiol / pharmacology*
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Estrus
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Female
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Hypothalamus / drug effects*
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Hypothalamus / metabolism
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Pregnancy
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Progesterone / pharmacology*
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Rats
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Rats, Inbred Strains
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beta-Endorphin
Substances
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Endorphins
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Progesterone
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Estradiol
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beta-Endorphin