Sofia Riaz Ahmed, Shehryar Akhtar, and Haroon Shahid Qazi. “Assessment of Smile Parameters in Skeletally Class I Orthodontic Patients”. Pakistan Orthodontic Journal 14, no. 2 (December 15, 2022): 70–76. Accessed April 19, 2024. https://poj.org.pk/index.php/poj/article/view/329.