Decker, Sérgio Renato da Rosa, and Eduardo Gehling Bertoldi. 2021. “Systemic Corticosteroids in COVID-19: Critical Appraisal of the WHO Meta-Analysis”. Journal of Evidence-Based Healthcare 2 (2): 141-43. https://doi.org/10.17267/2675-021Xevidence.v2i2.3343.