(Q37320160)
Statements
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Nasopharyngeal carriage of Streptococcus pneumoniae in healthy children: implications for the use of heptavalent pneumococcal conjugate vaccine (English)
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Nicola Principi
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Paola Marchisio
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Gian Carlo Schito
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Anna Marchese
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Roberta Cavagna
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Hercules Project Collaborative Group
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1 May 2002
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479-484
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Identifiers
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