No abstract available
MeSH terms
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Anencephaly / physiopathology
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Animals
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Cattle
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Cervix Uteri / physiology
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Estrogens / biosynthesis
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Estrogens / urine
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Female
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Fetus / physiology*
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Gestational Age
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Goats
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Humans
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Labor, Obstetric
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Muscle Contraction
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Pregnancy*
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Sheep
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Uterus / physiology