Additive prognostic value of interleukin 6 measured at peak phase of dobutamine stress echo in patients with coronary artery disease. A six-year follow-up study - Ikonomidis, I.; Athanassopoulos, G; Stamatelopoulos, K.; Revela, I.; Lekakis, J.; Marinou, M; Venetsanou, K.; Kremastinos, D.; Cokkinos, D; Nihoyannopoulos, P (EUROPEAN HEART JOURNAL, 2007)