(Q39210737)
Statements
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A cohort study of the effectiveness of influenza vaccine in older people, performed using the United Kingdom general practice research database (English)
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Punam Mangtani
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Phillippa Cumberland
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Cathy R Hodgson
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Jennifer A Roberts
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Felicity T Cutts
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Andrew J Hall
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26 May 2004
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190
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1
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1-10
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Identifiers
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