Cvetkovic, V.V. , Icco, R.D. , Do, T.P., Pellesi, L. , Ashina, M. and Hansen, J.M. 2021. Greater Occipital Nerve Block with Local Anesthetics and Corticosteroids in Treatment-Resistant Chronic Migraine. Headache Medicine. 12, 3 (Nov. 2021), 160–167. DOI:https://doi.org/10.48208/HeadacheMed.2021.30.