Dexamethasone for treating SARS-CoV-2 infection: a systematic review and meta-analysis - Ferreto, Lirane Elize Defante; Bortoloti, Durcelina Schiavoni; Fortes, Paulo Cezar Nunes; Follador, Franciele; Arruda, Gisele; Ximenez, João Paulo Bianchi; Wendt, Guilherme Welter (Sao Paulo Medical Journal, 2021)