No abstract available
MeSH terms
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Adult
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Blood Circulation*
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Diseases in Twins*
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Female
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Fetal Diseases / physiopathology*
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Heart Defects, Congenital / embryology
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Heart Defects, Congenital / genetics*
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Humans
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Infant, Newborn
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Male
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Pregnancy
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Twins*
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Twins, Monozygotic*
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Ultrasonography*
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Umbilical Arteries / physiopathology
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Umbilical Veins / physiopathology