Lung ultrasound monitoring of CPAP effectiveness on SARS-CoV-2 pneumonia: A case report. Emergency Care Journal, [S. l.], v. 16, n. 3, 2020. DOI: 10.4081/ecj.2020.9333. Disponível em: https://www.pagepressjournals.org/ecj/article/view/9333. Acesso em: 22 apr. 2026.