No abstract available
MeSH terms
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Age Factors
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Blood Specimen Collection
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Female
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Humans
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Infant, Newborn
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Male
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Phenylalanine / blood
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Phenylketonurias / blood
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Phenylketonurias / epidemiology*
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Phenylketonurias / genetics
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Phenylketonurias / urine
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Sex Factors
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Sex Ratio*
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United Kingdom