No abstract available
MeSH terms
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Atrioventricular Node / embryology
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Atrioventricular Node / physiology
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Coronary Circulation / physiology*
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Echocardiography, Doppler
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Female
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Fetus / physiology
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Gestational Age
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Heart / embryology*
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Heart / physiology*
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Heart Valves / embryology
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Heart Valves / physiology
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Humans
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Pregnancy
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Stroke Volume
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Ultrasonography, Prenatal