APA (7th ed.) Citation

Zhang, H., Yan, H., Xiong, W., & Gao, L. Real-world effectiveness of inactivated vaccine on COVID-19 patients with comorbidities. The Journal of Infection in Developing Countries.

Chicago Style (17th ed.) Citation

Zhang, Hao, Hua-Fang Yan, Wu-Jun Xiong, and Li-Li Gao. Real-world Effectiveness of Inactivated Vaccine on COVID-19 Patients with Comorbidities. The Journal of Infection in Developing Countries.

MLA (9th ed.) Citation

Zhang, Hao, et al. Real-world Effectiveness of Inactivated Vaccine on COVID-19 Patients with Comorbidities. The Journal of Infection in Developing Countries.

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