The presence of Helicobacter pylori in oral cavities of patients with leukoplakia and oral lichen planus . Journal of Applied Oral Science, [S. l.], v. 24, n. 1, p. 18–23, 2016. DOI: 10.1590/1678-775720150203. Disponível em: https://www.revistas.usp.br/jaos/article/view/112873.. Acesso em: 30 apr. 2024.