No abstract available
MeSH terms
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Adult
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Cardiotocography / methods*
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Echocardiography
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Electrodes
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Female
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Heart / diagnostic imaging
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Heart / embryology*
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Heart / physiology
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Heart / physiopathology
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Heart Diseases / diagnosis
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Heart Diseases / diagnostic imaging
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Heart Diseases / embryology
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Heart Diseases / physiopathology
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Hospitals, Teaching
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Humans
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Netherlands
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Pregnancy
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Pregnancy Trimester, Second
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Prenatal Diagnosis / methods
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Prospective Studies
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Signal Processing, Computer-Assisted
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Ultrasonography, Prenatal
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Vectorcardiography / methods*