No abstract available
Keywords:
Eustachian valve; cyanosis; foramen ovale; preterm infant; ultrasound cardiography.
MeSH terms
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Cyanosis / etiology*
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Diseases in Twins / complications
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Diseases in Twins / diagnosis*
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Humans
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Infant, Newborn
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Infant, Premature
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Infant, Premature, Diseases / etiology*
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Male
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Vascular Malformations / complications
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Vascular Malformations / diagnosis*
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Vena Cava, Inferior / abnormalities*