Cite
HARVARD Citation
Hopkinson, N. et al. (2021). Current smoking and COVID-19 risk: results from a population symptom app in over 2.4 million people. Thorax. 76 (7), pp. 714-722. [Online].
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Hopkinson, N. et al. (2021). Current smoking and COVID-19 risk: results from a population symptom app in over 2.4 million people. Thorax. 76 (7), pp. 714-722. [Online].