Intraobserver reproducibility of parameters of standard and 2D speckle tracking echocardiography, dynamics of global longitudinal strain I in patients with acute primary anterior STEMI / M. Kercheva, T. Ryabova, V. Ryabov, R. Karpov // AIP Conference Proceedings. 2015. Vol. 1688. P. 030017-1-030017-5. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000578443