SATISH KUMAR, K.; P. P., D. Do you really have sinus headache?. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 5, n. 3, p. 554–559, 2019. DOI: 10.18203/issn.2454-5929.ijohns20191480. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/1519. Acesso em: 21 mar. 2025.