O.S. POKUSAYEVA1, 2, S.YU. ZAKHAROVA1  1Ural Research Institute for Maternal and Child Health, Yekaterinburg 2Children’s City Polyclinic No. 13, Yekaterinburg   Contact details: Pokusayeva O.S. — post-graduate student Address: 1 Repin St., Yekaterinburg, Russian Federation, 620028, tel.: +7-901-431-71-39, е-mail: pokusaeva93@list.ru One of the important problems of premature babies is the state of the cardiovascular system, which […]