Systemic treatment in severe cases of recurrent aphthous stomatitis: an open trial . Clinics, [S. l.], v. 64, n. 3, p. 193–198, 2009. DOI: 10.1590/S1807-59322009000300008. Disponível em: https://revistas.usp.br/clinics/article/view/17993.. Acesso em: 15 may. 2024.