Wiryawan, I. N., Yobel, D., Jagannatha, G. N. P., Dewi, N. K. A., Shandy, C. A., & Wirawan, H. (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), 154-167. https://doi.org/10.30701/ijc.2182