APA (7th ed.) Citation

Lei Zhang, Hanmin Liu, Tao Ai, Zijin Chen, Wei Tang, Shuai Hu, & Jie Hu. (2023). Epidemiology of asthma exacerbation in children before and after the COVID-19 pandemic: A retrospective study in Chengdu, China. BMC.

Chicago Style (17th ed.) Citation

Lei Zhang, Hanmin Liu, Tao Ai, Zijin Chen, Wei Tang, Shuai Hu, and Jie Hu. Epidemiology of Asthma Exacerbation in Children Before and After the COVID-19 Pandemic: A Retrospective Study in Chengdu, China. BMC, 2023.

MLA (9th ed.) Citation

Lei Zhang, et al. Epidemiology of Asthma Exacerbation in Children Before and After the COVID-19 Pandemic: A Retrospective Study in Chengdu, China. BMC, 2023.