VAKULENKO, L. Heart rate variability in children with chronic pyelonephritis and I–III stages of chronic kidney disease. KIDNEYS, [S. l.], v. 8, n. 2, p. 88–93, 2021. DOI: 10.22141/2307-1257.8.2.2019.166664. Disponível em: https://kidneysjournal.com/index.php/journal/article/view/240. Acesso em: 13 mar. 2026.