“Effect of Hyaluronic Acid Injection in Management of Upper Lip Asymmetry After Surgical Correction of Unilateral Cleft Lip ( Case Report )”. Journal of Hama University 2, no. 9 (February 10, 2020). Accessed April 27, 2026. https://hama-univ.edu.sy/ojs/index.php/huj/article/view/259.