(Q47408785)
Statements
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Clinical presentation of pertussis in unvaccinated and vaccinated children in the first six years of life (English)
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Stefania Salmaso
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Lucilla Ravà
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Marta L Ciofi degli Atti
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Progetto Pertosse Working Group
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1 November 2003
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112
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5
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1069-1075
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