Isolated lip involvement in psoriasis: an uncommon aspect of a common dermatologic conditionGhada Bouslama, Wafa Hasni, Nour Saida Ben Massoud, Souha Ben Youssef and Abdellatif BoughzelaJ Oral Med Oral Surg, 24 2 (2018) 89-92DOI: https://doi.org/10.1051/mbcb/2017034