No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Attention Deficit Disorder with Hyperactivity / enzymology
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Attention Deficit Disorder with Hyperactivity / epidemiology
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Attention Deficit Disorder with Hyperactivity / genetics*
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Catechol O-Methyltransferase / genetics*
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Female
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Genetic Association Studies
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Genetic Predisposition to Disease*
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Humans
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Male
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Mexico / epidemiology
Substances
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Catechol O-Methyltransferase