No abstract available
Publication types
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Letter
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Randomized Controlled Trial
MeSH terms
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Aged
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Dilatation / adverse effects
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Dilatation / instrumentation
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Dilatation / methods*
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Female
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Humans
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Male
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Middle Aged
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Postoperative Complications
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Tracheostomy / adverse effects
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Tracheostomy / instrumentation*
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Tracheostomy / methods*