Cite
HARVARD Citation
Gao, M. et al. (2022). Association between smoking, e-cigarette use and severe COVID-19: a cohort study. International journal of epidemiology. pp. 1062-1072. [Online].
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Gao, M. et al. (2022). Association between smoking, e-cigarette use and severe COVID-19: a cohort study. International journal of epidemiology. pp. 1062-1072. [Online].