Mimidis, K., A. Giatromanolaki, E. Sivridis, V. Papadopoulos, K. Ritis, and G. Kartalis. “Thymidine Phosphorylase Expression in Patients With Chronic Viral Hepatitis”. Journal of Gastrointestinal and Liver Diseases, vol. 14, no. 1, Mar. 2005, pp. 27-31, https://www.jgld.ro/jgld/index.php/jgld/article/view/2005.1.5.