I.R. Aghababyan, S.Sh. Joniev, F. A. Jumaev, F. Safarov, & I. Daminov. (2023). Treatment Of Patients with Chronic Coronary Heart Disease of The Elderly And Senile Age With The Help Of High-Tech Methods. Eurasian Medical Research Periodical, 21, 70–75. Retrieved from https://geniusjournals.org/index.php/emrp/article/view/4577