Pereira MP, Andrade-Valença LPA, Silva AA da, Silva-Néto R, Silva LC, Oliveira DA de, et al. Headache and art: ex-voto as art of devotion and gratitude. Headache Med [Internet]. 2013 Mar. 31 [cited 2026 Mar. 29];4(1):36-9. Available from: https://headachemedicine.com.br/hm/article/view/368