Pulmonary Ultrasound, Risk of Intubation and Mortality in Patients with COVID-19 Pneumonia. Respirar, [S. l.], v. 14, n. 1, p. 21–32, 2022. DOI: 10.55720/respirar.14.1.4. Disponível em: https://respirar.alatorax.org/index.php/respirar/article/view/20. Acesso em: 25 aug. 2026.