For citations:

BOSHCHENKO A.A., VRUBLEVSKY A.V., KARPOV R.S. EVALUATION OF STENOTIC LEFT main coronary ARTERY AND LEFT ANTERIOR DESCENDING CORONARY ARTERY WITH A HELP OF TRANSTHORACIC ECHOCARDIOGRAPHY. Complex Issues of Cardiovascular Diseases. 2016;(2):20-29. (In Russ.) https://doi.org/10.17802/2306-1278-2016-2-20-29