Ziyad Jamil Al-Talabani , Shaho. “The Application of Tetragon Analysis in A Sample of Kurdish Adult Population With Class I Occlusion:A Cephalometric Study”. Diyala Journal of Medicine 20, no. 1 (April 17, 2021): 22–33. Accessed September 27, 2025. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/709.