Hummig W, Cavalcante-Leão BL, Stechman-Neto J. Management of chronic orofacial pain in pandemic of COVID-19. Headache Med [Internet]. 2020 Jun. 30 [cited 2024 Nov. 21];11(2):30-1. Available from: https://headachemedicine.com.br/index.php/hm/article/view/2