No abstract available
MeSH terms
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Adult
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Airway Resistance
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Environmental Exposure
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Heart Function Tests
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Humans
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Lung / physiopathology*
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Lung Diseases, Obstructive / etiology
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Male
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Middle Aged
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Occupational Diseases / etiology
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Occupational Diseases / physiopathology*
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Occupations
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Pulmonary Diffusing Capacity
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Pulmonary Ventilation
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Ships
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Smoking / complications
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Spirometry
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Welding*