For citations:

Pavlyukova E.N., Kolosova M.V., Neklyudova G.V., Karpov R.S. Features of left ventricle longitudinal strain in children from one to five years old, born with low, very low, and extremely low body weight. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2023;68(1):56-66. (In Russ.) https://doi.org/10.21508/1027-4065-2023-68-1-56-66