For citations:

Chomakhidze P.Sh., Poltavskaya M.G., Sedov V.P., Syrkin A.L. Tissue Doppler imaging and speckle tracking echocardiography in cardiovascular risk prognosis in patients undergoing hip or knee replacement elective surgery. Ultrasound & Functional Diagnostics. 2017;(2):49-59. (In Russ.)