28 Feb 2025 Vegetative stability and its influence on heart rate variability indicators in primary school-aged children vegetative stability; vegetative instability; heart rate variability; stress index; regulatory mechanisms; uncompensated distress Elena Chernycheva, Zhanara Asanbekova, Aiperi Sabyr, Tynybek Bektursunov, Vera Aseeva, Abadkan Gusupbekova https://doi.org/10.54890/1694-8882-2025-1-159