COVID-19 with positive bronchoalveolar lavage fluid but negative nasopharyngeal and oropharyngeal swabs: A case report and insights. Indian Journal of Case Reports, [S. l.], v. 6, n. 6, p. 380–382, 2020. DOI: 10.32677/IJCR.2020.v06.i07.010. Disponível em: https://mansapublishers.com/ijcr/article/view/2425. Acesso em: 5 dec. 2025.