Syvolap, V. D., and D. A. Lashkul. “Extracellular Matrix Remodeling in Patients With Ischemic Chronic Heart Failure With Preserved Ejection Fraction”. Zaporozhye Medical Journal, vol. 17, no. 2, Apr. 2015, doi:10.14739/2310-1210.2015.2.42005.