SHRESTHA, R.; RAJBHANDARI, P. Angina bullosa hemorrhagica of the oral cavity in a COVID-19–positive patient: a rare case report. International Journal of Scientific Reports, [S. l.], v. 12, n. 3, p. 131–133, 2026. DOI: 10.18203/issn.2454-2156.IntJSciRep20260368. Disponível em: https://www.sci-rep.com/index.php/scirep/article/view/1649. Acesso em: 22 apr. 2026.