No abstract available
MeSH terms
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Age Factors
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Child Development / physiology*
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Follow-Up Studies
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Humans
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Infant, Newborn
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Infant, Newborn, Diseases / diet therapy*
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Intelligence Tests
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Phenylalanine / blood
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Phenylketonurias / blood
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Phenylketonurias / diet therapy*
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Phenylketonurias / prevention & control
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Time Factors