Bernardes, Leonardo de Sousa, Renan Barros Domingues, and Mário Fernando Prieto Peres. “Cluster Headache Due to Intranasal Herpes Simplex: A Case Report”. Headache Medicine 12, no. 2 (October 17, 2021): 141–143. Accessed March 13, 2025. https://headachemedicine.com.br/index.php/hm/article/view/465.