Botulinum toxin in the treatment of gummy smile. Journal of Face Aesthetics, [S. l.], v. 3, n. 2, p. 133–138, 2020. DOI: 10.20883/jofa.38. Disponível em: https://jofa.ump.edu.pl/index.php/jofa/article/view/38. Acesso em: 19 nov. 2024.