No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Aging*
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Animals
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Estradiol / blood*
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Estrus*
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Female
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Mice
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Mice, Inbred C57BL / physiology
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Pregnancy
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Progesterone / blood*
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Rodentia / physiology*
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Vagina / cytology*