☆ 4.2 Article

Frequency of recovery of pathogens from the nasopharynx of children with acute maxillary sinusitis before and after the introduction of vaccination with the 7-valent pneumococcal vaccine

INTERNATIONAL JOURNAL OF PEDIATRIC OTORHINOLARYNGOLOGY (2007)

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Frequency of recovery of pathogens from the nasopharynx of children with acute maxillary sinusitis before and after the introduction of vaccination with the 7-valent pneumococcal vaccine

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