No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aging / physiology*
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Animals
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Endocrine Glands / physiology*
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Feedback
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Gonadotropin-Releasing Hormone / metabolism
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Hypothalamus / metabolism
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Male
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Pituitary Gland, Anterior / metabolism
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Rats
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Receptors, LHRH / metabolism
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Receptors, Opioid, delta / metabolism
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Receptors, Opioid, kappa / metabolism
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Receptors, Opioid, mu / metabolism
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Testis / metabolism
Substances
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Receptors, LHRH
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Receptors, Opioid, delta
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Receptors, Opioid, kappa
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Receptors, Opioid, mu
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Gonadotropin-Releasing Hormone