No abstract available
MeSH terms
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Adenoidectomy*
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Child
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Child, Preschool
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Common Cold / epidemiology
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Follow-Up Studies
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Humans
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Lymphadenitis / epidemiology
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Methods
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Otitis Media / epidemiology
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Pharyngitis / epidemiology
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Respiration
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Respiratory Tract Infections / prevention & control
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Statistics as Topic
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Tonsillectomy*
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Tonsillitis / epidemiology