Application of botulinum toxin in the treatment of sialorrhea: Review and clinical perspectives. Research, Society and Development, [S. l.], v. 13, n. 6, p. e12313646174, 2024. DOI: 10.33448/rsd-v13i6.46174. Disponível em: https://rsdjournal.org/rsd/article/view/46174. Acesso em: 5 dec. 2025.