AUDLEY, G et al. High-flow nasal oxygen in resource-constrained, non-intensive, high-care wards for COVID-19 acute hypoxaemic respiratory failure: Comparing outcomes of the first v. third waves at a tertiary centre in South Africa. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 30, n. 1, p. e1151, 2024. DOI: 10.7196/AJTCCM.2024.v30i1.1151. Disponível em: https://samajournals.co.za/index.php/ajtccm/article/view/1151. Acesso em: 29 apr. 2026.