Souza SG de, Jorge RA, Souza JA de, Neto RM de B, Nimer GF. Pain intensity in cluster headache - case report. Headache Med [Internet]. 2023 Dec. 20 [cited 2024 May 16];14(Supplement):46. Available from: https://headachemedicine.com.br/index.php/hm/article/view/884