Greater Occipital Nerve Block with Local Anesthetics and Corticosteroids in Treatment-Resistant Chronic Migraine. Headache Medicine, [S. l.], v. 12, n. 3, p. 160–167, 2021. DOI: 10.48208/HeadacheMed.2021.30. Disponível em: https://headachemedicine.com.br/hm/article/view/448. Acesso em: 22 jan. 2026.