No abstract available
MeSH terms
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Catechol O-Methyltransferase / genetics*
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GTP Cyclohydrolase / genetics*
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Genetic Association Studies / methods*
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Genetic Variation / genetics*
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Herniorrhaphy / adverse effects*
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Humans
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Male
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Pain, Postoperative / genetics*
Substances
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Catechol O-Methyltransferase
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GTP Cyclohydrolase