Sawada LA, Santos BM dos, Arthuzo LC, Moraes TC de O, Storarri ACM, Lee AAH, et al. Sphenopalatine Ganglion Block in Refractory Cluster Headache: A Case Report. Headache Med [Internet]. 2024 Aug. 15 [cited 2025 Nov. 6];15(Supplement):78. Available from: https://headachemedicine.com.br/index.php/hm/article/view/1205