No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Asthma / epidemiology*
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Asthma / etiology*
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Child
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Child, Preschool
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Female
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Humans
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Male
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Mexican Americans
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Respiratory Sounds
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Traffic-Related Pollution / adverse effects*