No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Amnion
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Chromosomes, Human / genetics
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Cytogenetics / methods
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Female
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Humans
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In Situ Hybridization, Fluorescence / methods*
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Male
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Polymerase Chain Reaction / methods
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Pregnancy
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Prenatal Diagnosis / methods*
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Trisomy / diagnosis*
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Trisomy / genetics