PATNAYAK, G et al. Role of chest radiograph in predicting the need for ventilator support in COVID‐19 patients. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 28, n. 4, p. 157–162, 2022. DOI: 10.7196/AJTCCM.2022.v28i4.248. Disponível em: https://samajournals.co.za/index.php/ajtccm/article/view/621. Acesso em: 13 may. 2026.