Boone, Dayany Leonel, Emanuelle Ferreira Barreto, Felipe Sales Parreira, Henrique Carneiro de Campos, and Lucas Roquim e Silva. 2022. “Warfarin in the Treatment of Refractory Chronic Cluster Headache: A Case Report and Review in Therapeutic Options”. Headache Medicine 13 (2):133-36. https://doi.org/10.48208/HeadacheMed.2022.9.