No abstract available
MeSH terms
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Betapapillomavirus / pathogenicity*
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Gammapapillomavirus / pathogenicity*
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Head and Neck Neoplasms / epidemiology
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Head and Neck Neoplasms / pathology
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Head and Neck Neoplasms / virology*
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Human papillomavirus 16 / pathogenicity
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Humans
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Papillomavirus Infections / epidemiology*
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Papillomavirus Infections / pathology
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Papillomavirus Infections / virology
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Risk Factors
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Smoking