For citations:

Vasiliev A.Yu., Petrova E.B. Velocity Vector Imaging technology and standard echocardiography in evaluation of left ventricular function in patients with coronary artery disease before and after coronary bypass surgery. Regional blood circulation and microcirculation. 2019;18(4):29-36. (In Russ.) https://doi.org/10.24884/1682-6655-2019-18-4-29-36