Gayathri Prakash Anand, et al. “Height Width Ratio of Frontal Sinus in Different Stages of Cervical Vertebrae Maturation in Subjects With Normal Occlusion”. Journal of Orofacial Research, vol. 12, no. 1, Mar. 2023, pp. 6-12, https://www.mansapublishers.com/jofr/article/view/3819.