POPENKOV, A. V. State of the Autonomic Nervous System in Young Children With Congenital Heart Defects. Central Asian Journal of Medical and Natural Science, [S. l.], v. 7, n. 3, p. 186–191, 2026. DOI: 10.51699/cajmns.v7i3.3257. Disponível em: https://cajmns.casjournal.org/index.php/CAJMNS/article/view/3257. Acesso em: 20 aug. 2026.