No abstract available
MeSH terms
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Adolescent
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Cryosurgery
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Endoscopy
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Humans
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Laryngoscopy
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Male
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Papilloma / pathology*
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Papilloma / surgery
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Papilloma / therapy
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Tetracycline / therapeutic use
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Tomography
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Tracheal Neoplasms / pathology*
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Tracheal Neoplasms / surgery
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Tracheal Neoplasms / therapy