В. П. Вавилова, А. М. Вавилов, И. А. Нечаева, В. А. Тюлюкин, and Т. А. Караульнова, “FREQUENTLY ILL CHILDREN: FEATURES OF THE CARDIOVASCULAR SYSTEM CONDITION AND PSYCHO-EMOTIONAL BACKGROUND”, МиД, vol. 20, no. 3, pp. 32–36, Oct. 2019, Accessed: Aug. 04, 2026. [Online]. Available: https://www.mednauki.ru/index.php/MD/article/view/385