No abstract available
MeSH terms
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Abnormalities, Multiple / diagnostic imaging*
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Adolescent
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Female
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Fetal Diseases / diagnostic imaging*
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Humans
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Portal Vein / abnormalities*
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Portal Vein / diagnostic imaging*
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Pregnancy
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Ultrasonography, Prenatal*
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Umbilical Veins / abnormalities
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Umbilical Veins / ultrastructure
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Vena Cava, Inferior / abnormalities
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Vena Cava, Inferior / diagnostic imaging