Athanassiadou, A.-M. Lazaris, A.C. Patsouris, E. Tsipis, A. Chelidonis, G. Aroni, K., Significance of cyclooxygenase 2, EZH-2 polycomb group and p53 expression in actinic keratosis and squamous cell carcinomas of the skin, The American Journal of Dermatopathology, (35), 425-431, 2013, 0193-1091, 1533-0311