The -174 G>C Interleukin-6 Gene Polymorphism is Associated with Angiographic Progression of Coronary Artery Disease over a 4-Year Period oleh Konstantinos Toutouzas, MD, Dimitrios Klettas, MD, Nikolaos Anousakis-Vlachochristou, MD, Konstantinos Melidis, Zeta Azilazian, Maria Asimomiti, Antonios Karanasos, MD, Anastasios Spanos, MD, Eleftherios Tsiamis, MD, Petros Nihoyannopoulos, MD, Dimitris Tousoulis, MD