Riaz A, Zaheer U, Zaheer N, Chaudhry NA, Rahbar I, Nauman M. CEPHALOMETRIC DETERMINATION OF LIP POSITION IN PATIENTS PRESENTING IN A TERTIARY CARE HOSPITAL. Pak Oral Dent J. 2019;38(4):472-477. Accessed July 30, 2026. https://www.podj.com.pk/index.php/podj/article/view/319