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European Continental Ancestry Group
African Continental Ancestry Group
Asian Continental Ancestry Group
Cross-Sectional Studies
Risk Factors
Prevalence
Cohort Studies
Biological Markers
Ethnic Groups
Odds Ratio
Age Distribution
England
Great Britain
Prenatal Diagnosis
Case Control Studies
Pregnancy
Down's Syndrome
Myopia
Cardiovascular Diseases
False Positive Reactions
Co-Publications
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22
20
11
10
8
6
4
3
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