Use of the Left Ventricular Internal Dimension at End-Diastole and the E-Point Septal Separation Ratio in the Prediction of the Left Ventricular Systolic Function in Patients with Midrange and Reduced Ejection Fractions: A Pilot Study - Cosansu, Kahraman; Kilic, Harun; Turer Cabbar, Ayca; Hatipsoylu, Erdinc; Karadag, Bilgehan; Akdemir, Ramazan (The Research in Heart Yield and Translational Medicine (RHYTHM), 2019)