No abstract available
MeSH terms
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DNA / analysis*
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DNA Mutational Analysis
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Gene Frequency
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Genetics, Population
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Humans
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Mutation*
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Phenylalanine Hydroxylase / genetics*
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Phenylketonurias* / ethnology
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Phenylketonurias* / genetics
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Portugal / epidemiology
Substances
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DNA
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Phenylalanine Hydroxylase