Grace Nikensari; Cut Aryfa Andra; Nasution, A. N.; Lubis, A. C.; Ilyas, K. K. Characteristics of Heart Failure Patients With Reduced Left Ventricular Ejection Fraction (HFrEF) Using Angiotensin Receptor-Neprilysin Inhibitors (ARNI) Compared to Angiotensin Converting Enzyme-Inhibitor (ACE-I) Angiotensin Receptor Blocker (ARB) Therap. JETROMI 2026, 8, 49-59.