Cvetkovic VV, Icco RD, Do TP, Pellesi L, Ashina M, Hansen JM. Greater Occipital Nerve Block with Local Anesthetics and Corticosteroids in Treatment-Resistant Chronic Migraine. Headache Med [Internet]. 2021 Nov. 16 [cited 2024 Apr. 26];12(3):160-7. Available from: https://headachemedicine.com.br/index.php/hm/article/view/448