APA (7th ed.) Citation

Zhou, S., Xu, J., Sun, W., Zhang, J., Zhang, F., Zhao, X., . . . Ouyang, X. (2021). Clinical Features for Severely and Critically Ill Patients with COVID-19 in Shandong: A Retrospective Cohort Study. Therapeutics & Clinical Risk Management, 17, 9. https://doi.org/10.2147/TCRM.S280079

Chicago Style (17th ed.) Citation

Zhou, Shengyu, et al. "Clinical Features for Severely and Critically Ill Patients with COVID-19 in Shandong: A Retrospective Cohort Study." Therapeutics & Clinical Risk Management 17 (2021): 9. https://doi.org/10.2147/TCRM.S280079.

MLA (9th ed.) Citation

Zhou, Shengyu, et al. "Clinical Features for Severely and Critically Ill Patients with COVID-19 in Shandong: A Retrospective Cohort Study." Therapeutics & Clinical Risk Management, vol. 17, 2021, p. 9, https://doi.org/10.2147/TCRM.S280079.

Warning: These citations may not always be 100% accurate.