(Q43434951)
Statements
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Changes in Streptococcus pneumoniae serotypes causing invasive disease with non-universal vaccination coverage of the seven-valent conjugate vaccine (English)
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1 reference
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Portuguese Surveillance Group for the Study of Respiratory Pathogens
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J Melo-Cristino
2 references
S I Aguiar
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1 September 2008
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14
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9
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835-843
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Identifiers
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