No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Angiography / methods
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Female
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Fetal Heart / abnormalities*
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Fetal Heart / diagnostic imaging
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Fetal Heart / physiopathology
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Fetus / blood supply
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Fetus / diagnostic imaging*
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Humans
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Pregnancy
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Twins / physiology*