No abstract available
MeSH terms
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Case-Control Studies
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Humans
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Mouth Diseases / epidemiology*
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Mouth Diseases / virology*
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Mouth Neoplasms / epidemiology
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Mouth Neoplasms / immunology
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Mouth Neoplasms / virology*
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Papillomavirus Infections / epidemiology*
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Papillomavirus Infections / immunology
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Papillomavirus Vaccines / therapeutic use*
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Sexual Behavior / statistics & numerical data*
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Surveys and Questionnaires