Santos LEAD, Melo LJR de A, Tavares MA, Junior FD de PG, Sousa JMAB de, Aureliano KER, Cavalcante FLHB, Rodrigues PVF, Rosa RF da, Davi EFC. Greater Occipital Nerve Block in Migraine: Efficiency and Safety, a Systematic Review. Headache Med [Internet]. 2023 Dec. 20 [cited 2024 Nov. 21];14(Supplement):60. Available from: https://headachemedicine.com.br/index.php/hm/article/view/902