Munjal M, Puri S, Soni A, Kailey V, Pooni N, Munjal S, Singh AH. Non invasive assessment of the frontal sinus: a review. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2020 Oct. 23 [cited 2026 Mar. 17];6(11):2150-4. Available from: https://www.ijorl.com/index.php/ijorl/article/view/2567