For citations:
Chernykh NY, Tarasova AA, Groznova OS. 2D speckle-tracking assessment of left ventricular myocardial strain in healthy children and adolescents. Meditsinskiy sovet = Medical Council. 2020;(18):152-161. (In Russ.) https://doi.org/10.21518/2079-701X-2020-18-152-161