Ali, M. A., D. Alo, and A. L. Molla. “Correlation Of Serum Cardiac Troponin I With Significant Left Ventricular Systolic Dysfunction In Patients With Chronic Heart Failure”. KYAMC Journal, vol. 5, no. 2, Apr. 2017, pp. 503-8, doi:10.3329/kyamcj.v5i2.32363.