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HARVARD Citation
Ainslie, K. et al. (2017). On the bias of estimates of influenza vaccine effectiveness from test–negative studies. Vaccine. 35 (52), pp. 7297-7301. [Online].
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Ainslie, K. et al. (2017). On the bias of estimates of influenza vaccine effectiveness from test–negative studies. Vaccine. 35 (52), pp. 7297-7301. [Online].