No abstract available
MeSH terms
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Blood Flow Velocity
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Female
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Fetal Diseases / diagnosis
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Fetal Diseases / physiopathology
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Humans
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Placenta / blood supply
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Pregnancy / physiology
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Pregnancy Complications / physiopathology
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Regional Blood Flow
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Spectrum Analysis / methods
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Ultrasonography
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Umbilical Arteries / physiology
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Umbilical Cord / blood supply*
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Umbilical Veins / physiology
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Vascular Resistance