SANTOS, Leonardo Elias Araujo Dos et al. Greater Occipital Nerve Block in Migraine: Efficiency and Safety, a Systematic Review. Headache Medicine, [S. l.], v. 14, n. Supplement, p. 60, 2023. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/902. Acesso em: 7 nov. 2025.