No abstract available
MeSH terms
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Aged
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Anti-Bacterial Agents / administration & dosage
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Anti-Bacterial Agents / therapeutic use*
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Clinical Protocols
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Gram-Negative Bacteria / isolation & purification
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Gram-Positive Bacteria / isolation & purification
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Humans
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Laryngeal Neoplasms / surgery*
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Middle Aged
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Pharyngeal Neoplasms / surgery*
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Postoperative Complications / drug therapy*
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Postoperative Complications / microbiology
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Postoperative Complications / prevention & control*
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Prospective Studies