No abstract available
MeSH terms
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Adult
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Air Pollutants, Occupational / adverse effects*
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Asthma / diagnosis
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Asthma / etiology*
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Bronchial Provocation Tests
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Forced Expiratory Volume
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Humans
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Male
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Methacholine Chloride
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Occupational Diseases / diagnosis
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Occupational Diseases / etiology*
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Occupational Exposure
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Sputum / cytology
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Styrene / adverse effects*
Substances
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Air Pollutants, Occupational
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Methacholine Chloride
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Styrene