K. K., A. N.; KIZHAKKETHIL, R.; MENON, A. M.; JACOB, A. J.; VARGHESE, B. S.; SALEEM, T. A study on olfactory improvement assessed with butanol threshold test in chronic rhinosinusitis patients after fess at a tertiary care centre in Malabar region. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 9, n. 8, p. 647–652, 2023. DOI: 10.18203/issn.2454-5929.ijohns20232222. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/3972. Acesso em: 14 jun. 2025.