Isolated lichen planus of the lips: cases reports and literature reviewMaroua Garma, Wafa Hasni, Bechir Annabi, Badreddine Sriha, Souha Boudegga and Abdellatif BoughzellaJ Oral Med Oral Surg, 26 2 (2020) 14DOI: https://doi.org/10.1051/mbcb/2020001