Recurrence in Oral Premalignancy: Clinicopathologic and Immunohistochemical Analysis oleh Maria Georgaki, Dimitris Avgoustidis, Vasileios Ionas Theofilou, Evangelia Piperi, Efstathios Pettas, Demos G. Kalyvas, Dimitrios Vlachodimitropoulos, Christos Perisanidis, Andreas C. Lazaris, Nikolaos G. Nikitakis