For citations:
Tyurina L.G., Khamidova L.T., Rybalko N.V., Ghazaryan G.A. Potential of echocardiographic assessment of early systolic lengthening in making diagnosis of various forms of coronary heart disease. Medical alphabet. 2024;(35):7-14. (In Russ.) https://doi.org/10.33667/2078-5631-2024-35-7-14