Qamar, C. R., Malik, N. and Ali, A. I. (2009) “SKELETAL OPEN BITE-CEPHALOMETRIC CHARACTERISTICS USING QUADRILATERAL ANALYSIS”, Pakistan Orthodontic Journal, 1(2), pp. 15–19. Available at: https://poj.org.pk/index.php/poj/article/view/22 (Accessed: 21 April 2026).