No abstract available
MeSH terms
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Adult
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Aged
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Anesthesia, Endotracheal / adverse effects*
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Bronchi / cytology*
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Cell Nucleus
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Cilia / cytology
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Clinical Trials as Topic
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Cytoplasm
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Epithelial Cells
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Female
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Humans
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Humidity
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Male
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Meperidine
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Middle Aged
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Nitrous Oxide
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Staining and Labeling
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Time Factors
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Trachea / cytology*
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Tubocurarine
Substances
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Meperidine
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Nitrous Oxide
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Tubocurarine