No abstract available
MeSH terms
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Adolescent
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Blood Flow Velocity
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Child
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Child, Preschool
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Echocardiography, Doppler / instrumentation
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Echocardiography, Doppler / methods
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Hepatic Veins / diagnostic imaging
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Hepatic Veins / physiology*
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Humans
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Infant
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Infant, Newborn
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Reference Values
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Vena Cava, Superior / diagnostic imaging
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Vena Cava, Superior / physiology*