APA (7th ed.) Citation

Moura, E. L. d., Ferreira, J. M., Santos , A. C. M. d., Silva , D. M. d., Silva , M. L. F. d., Silva, G. K. M. d. O., . . . Figueiredo, E. V. M. d. S. (2021). Comorbidities increase the risk of severity and mortality in COVID-19 patients: A systematic review and meta-analysis.

Chicago Style (17th ed.) Citation

Moura, Edilson Leite de, et al. Comorbidities Increase the Risk of Severity and Mortality in COVID-19 Patients: A Systematic Review and Meta-analysis. 2021.

MLA (8th ed.) Citation

Moura, Edilson Leite de, et al. Comorbidities Increase the Risk of Severity and Mortality in COVID-19 Patients: A Systematic Review and Meta-analysis. 2021.

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