No abstract available
MeSH terms
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Chromosome Deletion*
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Chromosomes, Human, Pair 22*
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Echocardiography
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Female
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Fetal Diseases / diagnosis*
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Fetal Diseases / diagnostic imaging
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Humans
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In Situ Hybridization, Fluorescence*
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Pregnancy
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Prenatal Diagnosis*
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Thymus Gland / abnormalities*
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Thymus Gland / embryology