No abstract available
MeSH terms
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Adult
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Chromosomes, Human, Pair 21*
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Comparative Genomic Hybridization / methods*
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False Positive Reactions
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Female
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Fetus / metabolism
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Health Status
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Humans
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Infant, Newborn
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Oligonucleotide Array Sequence Analysis / methods
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Parturition* / physiology
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Pregnancy
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Prenatal Diagnosis* / methods
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Ring Chromosomes*