AHMAD, A.; REHMAN, H. U.; IHTISHAM; RASHEED, T.; KHAN, A.; MALAK, S. Early Detection of ENT Symptoms in Mild to Moderate COVID-19 Cases: A case control study. Pakistan Journal of Chest Medicine, [S. l.], v. 29, n. 2, p. 230–236, 2023. Disponível em: https://pjcm.net/index.php/pjcm/article/view/900. Acesso em: 12 sep. 2026.