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Additional file 2: of Frequency and impact of confounding by indication and healthy vaccinee bias in observational studies assessing influenza vaccine effectiveness: a systematic review

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Publication date
14 December 2016
Publisher
Doi

    Abstract

    Search strategy for the systematic review on frequency and impact of selection bias in observational studies on influenza vaccine effectiveness. (DOCX 21 kb

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      The Francis Crick Institute

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      Last time updated on 12/02/2018