(Q30385102)
Statements
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Evaluating the case-positive, control test-negative study design for influenza vaccine effectiveness for the frailty bias (English)
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Kathryn M Edwards
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H Keipp Talbot
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Marie R Griffin
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Hui Nian
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Qingxia Chen
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Yuwei Zhu
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27 February 2016
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1806-1809
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Identifiers
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