No abstract available
MeSH terms
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Adult
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Aged
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Cough
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Humans
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Male
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Middle Aged
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Nicotiana
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Pharyngeal Diseases / etiology
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Plants, Toxic
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Respiratory System / physiopathology*
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Respiratory Tract Diseases
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Rhinitis / etiology
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Smoking / complications
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Smoking / physiopathology*
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Sputum / analysis
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Time Factors