Borri, Juiliana, and Hilton Mariano da Silva Junior. “Red Ear Syndrome and Migraine: Case Report and Review of This Peculiar Association”. Headache Medicine 12, no. 3 (January 13, 2022): 264–267. Accessed April 19, 2024. https://headachemedicine.com.br/index.php/hm/article/view/559.