APA (7th ed.) Citation

Matsushita, Y., Yokoyama, T., Hayakawa, K., Matsunaga, N., Ohtsu, H., Saito, S., . . . Ohmagari, N. (2022). Smoking and severe illness in hospitalized COVID-19 patients in Japan. International journal of epidemiology, 51(4), 1078-1087. https://doi.org/10.1093/ije/dyab254

Chicago Style (17th ed.) Citation

Matsushita, Yumi, et al. "Smoking and Severe Illness in Hospitalized COVID-19 Patients in Japan." International Journal of Epidemiology 51, no. 4 (2022): 1078-1087. https://doi.org/10.1093/ije/dyab254.

MLA (9th ed.) Citation

Matsushita, Yumi, et al. "Smoking and Severe Illness in Hospitalized COVID-19 Patients in Japan." International Journal of Epidemiology, vol. 51, no. 4, 2022, pp. 1078-1087, https://doi.org/10.1093/ije/dyab254.