Zivlas CC, Stefanidis A, Triposkiadis F, Kostopoulos K, Margos P, Kotsakis A, Skoularigis J, Giamouzis G, Kranidis A, Cokkinos D. Predictive biomarkers for functional status and quality of life in heart failure patients with severely impaired left ventricular systolic function.: P870. European Journal of Heart Failure. 2014;16:172–173.