Высоцкая, Е. В., Порван, А. П., Рак, Л. И. and Сватенко, О. А. (2012) “Method for determining systolic myocardial dysfunction in adolescents”, Eastern-European Journal of Enterprise Technologies, 1(3(55), pp. 27–31. doi: 10.15587/1729-4061.2012.3291.