APA (7th ed.) Citation

Li, M., Liu, M., & Liu, J. (2025). Trends in the Mortality, Deaths, and Aetiologies of Lower Respiratory Infections Among 204 Countries from 1991 to 2021: An Updated Systematic Study. MDPI AG.

Chicago Style (17th ed.) Citation

Li, Meichen, Min Liu, and Jue Liu. Trends in the Mortality, Deaths, and Aetiologies of Lower Respiratory Infections Among 204 Countries from 1991 to 2021: An Updated Systematic Study. MDPI AG, 2025.

MLA (9th ed.) Citation

Li, Meichen, et al. Trends in the Mortality, Deaths, and Aetiologies of Lower Respiratory Infections Among 204 Countries from 1991 to 2021: An Updated Systematic Study. MDPI AG, 2025.