HUSAIN, P.; AHMED, S. K.; HUSAIN, B. Guidelines for the endoscopic nasal surgery during COVID-19 pandemic. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 12, p. 2334–2337, 2020. DOI: 10.18203/issn.2454-5929.ijohns20205086. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2545. Acesso em: 24 apr. 2025.