Effect of non-invasive ventilation and high-flow nasal cannula on hospital mortality in COVID-19-induced acute respiratory failure: a meta-analysis - Silva, Jakson Henrique; Brito, Anna Luísa Araújo; Taiar, Redha; Moraes, Bruno Amorim; Xavier, Anderson Brasil; Leite, Wagner Souza; Araújo, Maria Das Graças Rodrigues De; Brandão, Daniella Cunha; Andrade, Armele De Fátima Dornelas; Campos, Shirley Lima (einstein (São Paulo), 2026)