No abstract available
MeSH terms
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Adult
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Aneuploidy*
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Down Syndrome / diagnosis*
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Down Syndrome / genetics*
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Female
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Genetic Testing / economics
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Genetic Testing / methods
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Health Care Costs
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Humans
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Pilot Projects
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Predictive Value of Tests
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Pregnancy
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Prenatal Diagnosis / economics*
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Prenatal Diagnosis / methods*
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Retrospective Studies
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Validation Studies as Topic
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Volition / physiology