Lashkul, D. A. “Predictors of Adverse Events in Patients With Ischemic Chronic Heart Failure With Reduced Ejection Fraction and Renal Dysfunction”. Zaporozhye мedical journal 18, no. 3 (September 6, 2016). Accessed February 25, 2024. http://zmj.zsmu.edu.ua/article/view/76914.