No abstract available
Publication types
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Case Reports
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Letter
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Review
MeSH terms
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Adult
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Child
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Child, Preschool
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Chromosomes, Human, Pair 20 / genetics*
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Developmental Disabilities / genetics*
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Female
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Fetal Diseases / genetics*
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Follow-Up Studies
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Humans
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In Situ Hybridization, Fluorescence
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Mosaicism*
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Pregnancy
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Prenatal Diagnosis*
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Time Factors
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Trisomy / diagnosis*