HENRY, D. .; AGRAWAL, C. Aphthous ulcer associated with Covid-19. Journal of Pakistan Association of Dermatologists, [S. l.], v. 33, n. 3, p. 1183–1184, 2023. Disponível em: http://www.jpad.com.pk/index.php/jpad/article/view/1740. Acesso em: 25 jan. 2025.