No abstract available
MeSH terms
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Adolescent
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Adult
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Africa South of the Sahara / epidemiology
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Black People / genetics
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Child
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Child, Preschool
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Down Syndrome / diagnosis
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Down Syndrome / epidemiology*
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Down Syndrome / genetics
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Down Syndrome / pathology
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Down Syndrome / prevention & control
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Female
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Fetal Diseases / diagnosis
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Fetal Diseases / genetics
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Heart Defects, Congenital / epidemiology
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Heart Defects, Congenital / ethnology
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Heart Defects, Congenital / genetics
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Humans
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Incidence
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Infant, Newborn
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Male
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Maternal Age
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Middle Aged
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Phenotype
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Pregnancy
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Prenatal Diagnosis / statistics & numerical data
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Prevalence
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White People / genetics