Frequency and Clinical Variants of Oral Lichen Planus Among Dental Patients: A Cross-Sectional Multicenter Study. Medical Forum Monthly, [S. l.], v. 32, n. 3, 2021. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/2043.. Acesso em: 18 may. 2026.