Wiryawan, I Nyoman, David Yobel, Gusti Ngurah Prana Jagannatha, Ni Kadek Aristia Dewi, Cindy Amanda Shandy, and Hendy Wirawan. 2026. “Impact of Cardiac Contractility Modulation on Left Ventricular Ejection Fraction and Clinical Outcomes in Heart Failure: A Systematic Review and Meta-Analysis”. Indonesian Journal of Cardiology 47 (2), 154-67. https://doi.org/10.30701/ijc.2182.