Aciman Demirel, Esra, Burcu Karpuz, Sibel Özdemir, Gülcan Kalaycı, and Hüseyin Tuğrul Atasoy. 2021. “Effectiveness of Greater Occipital Nerve Blocks in Chronic Migraine”. Journal of Surgery and Medicine 5 (6):593-96. https://doi.org/10.28982/josam.911665.