I.R. Aghababyan, S.Sh. Joniev, F. A. Jumaev, F. Safarov, and I. Daminov. “Treatment Of Patients With Chronic Coronary Heart Disease of The Elderly And Senile Age With The Help Of High-Tech Methods”. Zeta Repository 21 (June 25, 2023): 70–75. Accessed April 12, 2025. https://zetarepo.com/index.php/zr/article/view/1908.