No abstract available
MeSH terms
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Animals
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Blastocyst
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Corpus Luteum / drug effects
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Corpus Luteum / physiology
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Endometrium / physiology
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Estrus
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Female
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Lactation
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Marsupialia / embryology*
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Ovary / cytology
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Ovary / physiology
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Pregnancy
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Progesterone / pharmacology
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Seasons
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Time Factors