APA (7th ed.) Citation

Dessie, Z. G., & Zewotir, T. (2021). Mortality-related risk factors of COVID-19: A systematic review and meta-analysis of 42 studies and 423,117 patients. BMC infectious diseases, 21(1), 1-28. https://doi.org/10.1186/s12879-021-06536-3

Chicago Style (17th ed.) Citation

Dessie, Zelalem G., and Temesgen Zewotir. "Mortality-related Risk Factors of COVID-19: A Systematic Review and Meta-analysis of 42 Studies and 423,117 Patients." BMC Infectious Diseases 21, no. 1 (2021): 1-28. https://doi.org/10.1186/s12879-021-06536-3.

MLA (9th ed.) Citation

Dessie, Zelalem G., and Temesgen Zewotir. "Mortality-related Risk Factors of COVID-19: A Systematic Review and Meta-analysis of 42 Studies and 423,117 Patients." BMC Infectious Diseases, vol. 21, no. 1, 2021, pp. 1-28, https://doi.org/10.1186/s12879-021-06536-3.

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