No abstract available
MeSH terms
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Acid-Base Equilibrium
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Animals
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Aorta
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Blood Gas Analysis
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Blood Pressure
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Carbon Dioxide / blood
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Catheterization
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Female
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Fetal Heart
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Fetus*
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Gestational Age
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Heart Rate
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Hydrogen-Ion Concentration
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Hypoxia
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Maternal-Fetal Exchange
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Nutrition Disorders
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Oxygen / blood
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Partial Pressure
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Pregnancy
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Sheep
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Umbilical Arteries / surgery*