Hashmi, Gulsana, Muhammad Noman, and Aneeqa Yaqub. 2023. “Frequency of Dentoskeletal Factors Affecting Soft Tissue Chin Strain on Lip Closure in Class I And Class II Div I Malocclusion”. Pakistan Orthodontic Journal 15 (Suppl):91-98. https://poj.org.pk/index.php/poj/article/view/347.