Hummig, Wagner, Bianca Lopes Cavalcante-Leão, and José Stechman-Neto. “Management of Chronic Orofacial Pain in Pandemic of COVID-19”. Headache Medicine 11, no. 2 (June 30, 2020): 30–31. Accessed April 27, 2024. https://headachemedicine.com.br/index.php/hm/article/view/2.