Hafiza Maryam Khurshid, Sadia Rizwan, Imtiaz Ahmed, Hafiz Taha Mehmood, Nasreen Iqbal Nagani, and Faiqa Tanvir. “Comparison of Upper and Lower Lip Position, Length and Thickness in Sagittal and Vertical Malocclusion”. Journal of the Pakistan Medical Association 73, no. 12 (November 28, 2023): 2423–2426. Accessed March 21, 2025. https://jpma.org.pk/index.php/public_html/article/view/6156.