No abstract available
MeSH terms
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Anencephaly / epidemiology
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Anencephaly / etiology*
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Anencephaly / genetics
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Australia
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Birth Order
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Black People
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Black or African American
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Cleft Lip / genetics
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Clubfoot / genetics
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Consanguinity
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Diet
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Diseases in Twins
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Egypt
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Female
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Hawaii
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Humans
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India
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Japan / ethnology
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Male
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Maternal Age
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Pyloric Stenosis / genetics
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Seasons
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Sex Factors
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Social Class
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Spinal Dysraphism / epidemiology
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Spinal Dysraphism / etiology*
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Spinal Dysraphism / genetics
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United Kingdom