FALCÃO, Stephanie Bezerra Muniz et al. The Use of Botulinum Toxin in the Treatment of Headache: an Integrative Literature Review. Headache Medicine, [S. l.], v. 14, n. Supplement, p. 84, 2023. Disponível em: https://www.headachemedicine.com.br/index.php/hm/article/view/927. Acesso em: 19 dec. 2025.