SINGH, B. P.; METGUDMATH, R. B.; SINGH, D.; SAXENA, U. Anatomical variations of sphenoid sinus among patients undergoing computed tomography of paranasal sinus. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 5, n. 4, p. 888–892, 2019. DOI: 10.18203/issn.2454-5929.ijohns20192630. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/1667. Acesso em: 16 nov. 2025.