Effect of Hyaluronic acid injection in management of upper lip asymmetry after surgical correction of unilateral cleft lip ( Case report ). Journal of Hama University , [S. l.], v. 2, n. 9, 2020. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/259. Acesso em: 6 jun. 2026.